dce_v10_0.c 117 KB

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  1. /*
  2. * Copyright 2014 Advanced Micro Devices, Inc.
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a
  5. * copy of this software and associated documentation files (the "Software"),
  6. * to deal in the Software without restriction, including without limitation
  7. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8. * and/or sell copies of the Software, and to permit persons to whom the
  9. * Software is furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in
  12. * all copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17. * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18. * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19. * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20. * OTHER DEALINGS IN THE SOFTWARE.
  21. *
  22. */
  23. #include "drmP.h"
  24. #include "amdgpu.h"
  25. #include "amdgpu_pm.h"
  26. #include "amdgpu_i2c.h"
  27. #include "vid.h"
  28. #include "atom.h"
  29. #include "amdgpu_atombios.h"
  30. #include "atombios_crtc.h"
  31. #include "atombios_encoders.h"
  32. #include "amdgpu_pll.h"
  33. #include "amdgpu_connectors.h"
  34. #include "dce/dce_10_0_d.h"
  35. #include "dce/dce_10_0_sh_mask.h"
  36. #include "dce/dce_10_0_enum.h"
  37. #include "oss/oss_3_0_d.h"
  38. #include "oss/oss_3_0_sh_mask.h"
  39. #include "gmc/gmc_8_1_d.h"
  40. #include "gmc/gmc_8_1_sh_mask.h"
  41. static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
  42. static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
  43. static const u32 crtc_offsets[] =
  44. {
  45. CRTC0_REGISTER_OFFSET,
  46. CRTC1_REGISTER_OFFSET,
  47. CRTC2_REGISTER_OFFSET,
  48. CRTC3_REGISTER_OFFSET,
  49. CRTC4_REGISTER_OFFSET,
  50. CRTC5_REGISTER_OFFSET,
  51. CRTC6_REGISTER_OFFSET
  52. };
  53. static const u32 hpd_offsets[] =
  54. {
  55. HPD0_REGISTER_OFFSET,
  56. HPD1_REGISTER_OFFSET,
  57. HPD2_REGISTER_OFFSET,
  58. HPD3_REGISTER_OFFSET,
  59. HPD4_REGISTER_OFFSET,
  60. HPD5_REGISTER_OFFSET
  61. };
  62. static const uint32_t dig_offsets[] = {
  63. DIG0_REGISTER_OFFSET,
  64. DIG1_REGISTER_OFFSET,
  65. DIG2_REGISTER_OFFSET,
  66. DIG3_REGISTER_OFFSET,
  67. DIG4_REGISTER_OFFSET,
  68. DIG5_REGISTER_OFFSET,
  69. DIG6_REGISTER_OFFSET
  70. };
  71. static const struct {
  72. uint32_t reg;
  73. uint32_t vblank;
  74. uint32_t vline;
  75. uint32_t hpd;
  76. } interrupt_status_offsets[] = { {
  77. .reg = mmDISP_INTERRUPT_STATUS,
  78. .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
  79. .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
  80. .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
  81. }, {
  82. .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
  83. .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
  84. .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
  85. .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
  86. }, {
  87. .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
  88. .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
  89. .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
  90. .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
  91. }, {
  92. .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
  93. .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
  94. .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
  95. .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
  96. }, {
  97. .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
  98. .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
  99. .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
  100. .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
  101. }, {
  102. .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
  103. .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
  104. .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
  105. .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
  106. } };
  107. static const u32 golden_settings_tonga_a11[] =
  108. {
  109. mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
  110. mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
  111. mmFBC_MISC, 0x1f311fff, 0x12300000,
  112. mmHDMI_CONTROL, 0x31000111, 0x00000011,
  113. };
  114. static const u32 tonga_mgcg_cgcg_init[] =
  115. {
  116. mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
  117. mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
  118. };
  119. static const u32 golden_settings_fiji_a10[] =
  120. {
  121. mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
  122. mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
  123. mmFBC_MISC, 0x1f311fff, 0x12300000,
  124. mmHDMI_CONTROL, 0x31000111, 0x00000011,
  125. };
  126. static const u32 fiji_mgcg_cgcg_init[] =
  127. {
  128. mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
  129. mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
  130. };
  131. static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
  132. {
  133. switch (adev->asic_type) {
  134. case CHIP_FIJI:
  135. amdgpu_program_register_sequence(adev,
  136. fiji_mgcg_cgcg_init,
  137. (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
  138. amdgpu_program_register_sequence(adev,
  139. golden_settings_fiji_a10,
  140. (const u32)ARRAY_SIZE(golden_settings_fiji_a10));
  141. break;
  142. case CHIP_TONGA:
  143. amdgpu_program_register_sequence(adev,
  144. tonga_mgcg_cgcg_init,
  145. (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
  146. amdgpu_program_register_sequence(adev,
  147. golden_settings_tonga_a11,
  148. (const u32)ARRAY_SIZE(golden_settings_tonga_a11));
  149. break;
  150. default:
  151. break;
  152. }
  153. }
  154. static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
  155. u32 block_offset, u32 reg)
  156. {
  157. unsigned long flags;
  158. u32 r;
  159. spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
  160. WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
  161. r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
  162. spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
  163. return r;
  164. }
  165. static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
  166. u32 block_offset, u32 reg, u32 v)
  167. {
  168. unsigned long flags;
  169. spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
  170. WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
  171. WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
  172. spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
  173. }
  174. static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
  175. {
  176. if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
  177. CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
  178. return true;
  179. else
  180. return false;
  181. }
  182. static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
  183. {
  184. u32 pos1, pos2;
  185. pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
  186. pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
  187. if (pos1 != pos2)
  188. return true;
  189. else
  190. return false;
  191. }
  192. /**
  193. * dce_v10_0_vblank_wait - vblank wait asic callback.
  194. *
  195. * @adev: amdgpu_device pointer
  196. * @crtc: crtc to wait for vblank on
  197. *
  198. * Wait for vblank on the requested crtc (evergreen+).
  199. */
  200. static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
  201. {
  202. unsigned i = 0;
  203. if (crtc >= adev->mode_info.num_crtc)
  204. return;
  205. if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
  206. return;
  207. /* depending on when we hit vblank, we may be close to active; if so,
  208. * wait for another frame.
  209. */
  210. while (dce_v10_0_is_in_vblank(adev, crtc)) {
  211. if (i++ % 100 == 0) {
  212. if (!dce_v10_0_is_counter_moving(adev, crtc))
  213. break;
  214. }
  215. }
  216. while (!dce_v10_0_is_in_vblank(adev, crtc)) {
  217. if (i++ % 100 == 0) {
  218. if (!dce_v10_0_is_counter_moving(adev, crtc))
  219. break;
  220. }
  221. }
  222. }
  223. static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
  224. {
  225. if (crtc >= adev->mode_info.num_crtc)
  226. return 0;
  227. else
  228. return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
  229. }
  230. /**
  231. * dce_v10_0_page_flip - pageflip callback.
  232. *
  233. * @adev: amdgpu_device pointer
  234. * @crtc_id: crtc to cleanup pageflip on
  235. * @crtc_base: new address of the crtc (GPU MC address)
  236. *
  237. * Does the actual pageflip (evergreen+).
  238. * During vblank we take the crtc lock and wait for the update_pending
  239. * bit to go high, when it does, we release the lock, and allow the
  240. * double buffered update to take place.
  241. * Returns the current update pending status.
  242. */
  243. static void dce_v10_0_page_flip(struct amdgpu_device *adev,
  244. int crtc_id, u64 crtc_base)
  245. {
  246. struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
  247. u32 tmp = RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset);
  248. int i;
  249. /* Lock the graphics update lock */
  250. tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
  251. WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp);
  252. /* update the scanout addresses */
  253. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
  254. upper_32_bits(crtc_base));
  255. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
  256. lower_32_bits(crtc_base));
  257. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
  258. upper_32_bits(crtc_base));
  259. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
  260. lower_32_bits(crtc_base));
  261. /* Wait for update_pending to go high. */
  262. for (i = 0; i < adev->usec_timeout; i++) {
  263. if (RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset) &
  264. GRPH_UPDATE__GRPH_SURFACE_UPDATE_PENDING_MASK)
  265. break;
  266. udelay(1);
  267. }
  268. DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
  269. /* Unlock the lock, so double-buffering can take place inside vblank */
  270. tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
  271. WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp);
  272. }
  273. static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
  274. u32 *vbl, u32 *position)
  275. {
  276. if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
  277. return -EINVAL;
  278. *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
  279. *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
  280. return 0;
  281. }
  282. /**
  283. * dce_v10_0_hpd_sense - hpd sense callback.
  284. *
  285. * @adev: amdgpu_device pointer
  286. * @hpd: hpd (hotplug detect) pin
  287. *
  288. * Checks if a digital monitor is connected (evergreen+).
  289. * Returns true if connected, false if not connected.
  290. */
  291. static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
  292. enum amdgpu_hpd_id hpd)
  293. {
  294. int idx;
  295. bool connected = false;
  296. switch (hpd) {
  297. case AMDGPU_HPD_1:
  298. idx = 0;
  299. break;
  300. case AMDGPU_HPD_2:
  301. idx = 1;
  302. break;
  303. case AMDGPU_HPD_3:
  304. idx = 2;
  305. break;
  306. case AMDGPU_HPD_4:
  307. idx = 3;
  308. break;
  309. case AMDGPU_HPD_5:
  310. idx = 4;
  311. break;
  312. case AMDGPU_HPD_6:
  313. idx = 5;
  314. break;
  315. default:
  316. return connected;
  317. }
  318. if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
  319. DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
  320. connected = true;
  321. return connected;
  322. }
  323. /**
  324. * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
  325. *
  326. * @adev: amdgpu_device pointer
  327. * @hpd: hpd (hotplug detect) pin
  328. *
  329. * Set the polarity of the hpd pin (evergreen+).
  330. */
  331. static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
  332. enum amdgpu_hpd_id hpd)
  333. {
  334. u32 tmp;
  335. bool connected = dce_v10_0_hpd_sense(adev, hpd);
  336. int idx;
  337. switch (hpd) {
  338. case AMDGPU_HPD_1:
  339. idx = 0;
  340. break;
  341. case AMDGPU_HPD_2:
  342. idx = 1;
  343. break;
  344. case AMDGPU_HPD_3:
  345. idx = 2;
  346. break;
  347. case AMDGPU_HPD_4:
  348. idx = 3;
  349. break;
  350. case AMDGPU_HPD_5:
  351. idx = 4;
  352. break;
  353. case AMDGPU_HPD_6:
  354. idx = 5;
  355. break;
  356. default:
  357. return;
  358. }
  359. tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
  360. if (connected)
  361. tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
  362. else
  363. tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
  364. WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
  365. }
  366. /**
  367. * dce_v10_0_hpd_init - hpd setup callback.
  368. *
  369. * @adev: amdgpu_device pointer
  370. *
  371. * Setup the hpd pins used by the card (evergreen+).
  372. * Enable the pin, set the polarity, and enable the hpd interrupts.
  373. */
  374. static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
  375. {
  376. struct drm_device *dev = adev->ddev;
  377. struct drm_connector *connector;
  378. u32 tmp;
  379. int idx;
  380. list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
  381. struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
  382. if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
  383. connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
  384. /* don't try to enable hpd on eDP or LVDS avoid breaking the
  385. * aux dp channel on imac and help (but not completely fix)
  386. * https://bugzilla.redhat.com/show_bug.cgi?id=726143
  387. * also avoid interrupt storms during dpms.
  388. */
  389. continue;
  390. }
  391. switch (amdgpu_connector->hpd.hpd) {
  392. case AMDGPU_HPD_1:
  393. idx = 0;
  394. break;
  395. case AMDGPU_HPD_2:
  396. idx = 1;
  397. break;
  398. case AMDGPU_HPD_3:
  399. idx = 2;
  400. break;
  401. case AMDGPU_HPD_4:
  402. idx = 3;
  403. break;
  404. case AMDGPU_HPD_5:
  405. idx = 4;
  406. break;
  407. case AMDGPU_HPD_6:
  408. idx = 5;
  409. break;
  410. default:
  411. continue;
  412. }
  413. tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
  414. tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
  415. WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
  416. tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
  417. tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
  418. DC_HPD_CONNECT_INT_DELAY,
  419. AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
  420. tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
  421. DC_HPD_DISCONNECT_INT_DELAY,
  422. AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
  423. WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
  424. dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
  425. amdgpu_irq_get(adev, &adev->hpd_irq,
  426. amdgpu_connector->hpd.hpd);
  427. }
  428. }
  429. /**
  430. * dce_v10_0_hpd_fini - hpd tear down callback.
  431. *
  432. * @adev: amdgpu_device pointer
  433. *
  434. * Tear down the hpd pins used by the card (evergreen+).
  435. * Disable the hpd interrupts.
  436. */
  437. static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
  438. {
  439. struct drm_device *dev = adev->ddev;
  440. struct drm_connector *connector;
  441. u32 tmp;
  442. int idx;
  443. list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
  444. struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
  445. switch (amdgpu_connector->hpd.hpd) {
  446. case AMDGPU_HPD_1:
  447. idx = 0;
  448. break;
  449. case AMDGPU_HPD_2:
  450. idx = 1;
  451. break;
  452. case AMDGPU_HPD_3:
  453. idx = 2;
  454. break;
  455. case AMDGPU_HPD_4:
  456. idx = 3;
  457. break;
  458. case AMDGPU_HPD_5:
  459. idx = 4;
  460. break;
  461. case AMDGPU_HPD_6:
  462. idx = 5;
  463. break;
  464. default:
  465. continue;
  466. }
  467. tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
  468. tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
  469. WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
  470. amdgpu_irq_put(adev, &adev->hpd_irq,
  471. amdgpu_connector->hpd.hpd);
  472. }
  473. }
  474. static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
  475. {
  476. return mmDC_GPIO_HPD_A;
  477. }
  478. static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
  479. {
  480. u32 crtc_hung = 0;
  481. u32 crtc_status[6];
  482. u32 i, j, tmp;
  483. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  484. tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
  485. if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
  486. crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
  487. crtc_hung |= (1 << i);
  488. }
  489. }
  490. for (j = 0; j < 10; j++) {
  491. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  492. if (crtc_hung & (1 << i)) {
  493. tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
  494. if (tmp != crtc_status[i])
  495. crtc_hung &= ~(1 << i);
  496. }
  497. }
  498. if (crtc_hung == 0)
  499. return false;
  500. udelay(100);
  501. }
  502. return true;
  503. }
  504. static void dce_v10_0_stop_mc_access(struct amdgpu_device *adev,
  505. struct amdgpu_mode_mc_save *save)
  506. {
  507. u32 crtc_enabled, tmp;
  508. int i;
  509. save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
  510. save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
  511. /* disable VGA render */
  512. tmp = RREG32(mmVGA_RENDER_CONTROL);
  513. tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
  514. WREG32(mmVGA_RENDER_CONTROL, tmp);
  515. /* blank the display controllers */
  516. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  517. crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
  518. CRTC_CONTROL, CRTC_MASTER_EN);
  519. if (crtc_enabled) {
  520. #if 0
  521. u32 frame_count;
  522. int j;
  523. save->crtc_enabled[i] = true;
  524. tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
  525. if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
  526. amdgpu_display_vblank_wait(adev, i);
  527. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
  528. tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
  529. WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
  530. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
  531. }
  532. /* wait for the next frame */
  533. frame_count = amdgpu_display_vblank_get_counter(adev, i);
  534. for (j = 0; j < adev->usec_timeout; j++) {
  535. if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
  536. break;
  537. udelay(1);
  538. }
  539. tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
  540. if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
  541. tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
  542. WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
  543. }
  544. tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
  545. if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
  546. tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
  547. WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
  548. }
  549. #else
  550. /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
  551. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
  552. tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
  553. tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
  554. WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
  555. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
  556. save->crtc_enabled[i] = false;
  557. /* ***** */
  558. #endif
  559. } else {
  560. save->crtc_enabled[i] = false;
  561. }
  562. }
  563. }
  564. static void dce_v10_0_resume_mc_access(struct amdgpu_device *adev,
  565. struct amdgpu_mode_mc_save *save)
  566. {
  567. u32 tmp, frame_count;
  568. int i, j;
  569. /* update crtc base addresses */
  570. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  571. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
  572. upper_32_bits(adev->mc.vram_start));
  573. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
  574. upper_32_bits(adev->mc.vram_start));
  575. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
  576. (u32)adev->mc.vram_start);
  577. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
  578. (u32)adev->mc.vram_start);
  579. if (save->crtc_enabled[i]) {
  580. tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
  581. if (REG_GET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
  582. tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
  583. WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
  584. }
  585. tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
  586. if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
  587. tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
  588. WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
  589. }
  590. tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
  591. if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
  592. tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
  593. WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
  594. }
  595. for (j = 0; j < adev->usec_timeout; j++) {
  596. tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
  597. if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
  598. break;
  599. udelay(1);
  600. }
  601. tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
  602. tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
  603. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
  604. WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
  605. WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
  606. /* wait for the next frame */
  607. frame_count = amdgpu_display_vblank_get_counter(adev, i);
  608. for (j = 0; j < adev->usec_timeout; j++) {
  609. if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
  610. break;
  611. udelay(1);
  612. }
  613. }
  614. }
  615. WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
  616. WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
  617. /* Unlock vga access */
  618. WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
  619. mdelay(1);
  620. WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
  621. }
  622. static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
  623. bool render)
  624. {
  625. u32 tmp;
  626. /* Lockout access through VGA aperture*/
  627. tmp = RREG32(mmVGA_HDP_CONTROL);
  628. if (render)
  629. tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
  630. else
  631. tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
  632. WREG32(mmVGA_HDP_CONTROL, tmp);
  633. /* disable VGA render */
  634. tmp = RREG32(mmVGA_RENDER_CONTROL);
  635. if (render)
  636. tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
  637. else
  638. tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
  639. WREG32(mmVGA_RENDER_CONTROL, tmp);
  640. }
  641. static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
  642. {
  643. struct drm_device *dev = encoder->dev;
  644. struct amdgpu_device *adev = dev->dev_private;
  645. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  646. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
  647. struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
  648. int bpc = 0;
  649. u32 tmp = 0;
  650. enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
  651. if (connector) {
  652. struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
  653. bpc = amdgpu_connector_get_monitor_bpc(connector);
  654. dither = amdgpu_connector->dither;
  655. }
  656. /* LVDS/eDP FMT is set up by atom */
  657. if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
  658. return;
  659. /* not needed for analog */
  660. if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
  661. (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
  662. return;
  663. if (bpc == 0)
  664. return;
  665. switch (bpc) {
  666. case 6:
  667. if (dither == AMDGPU_FMT_DITHER_ENABLE) {
  668. /* XXX sort out optimal dither settings */
  669. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
  670. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
  671. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
  672. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
  673. } else {
  674. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
  675. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
  676. }
  677. break;
  678. case 8:
  679. if (dither == AMDGPU_FMT_DITHER_ENABLE) {
  680. /* XXX sort out optimal dither settings */
  681. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
  682. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
  683. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
  684. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
  685. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
  686. } else {
  687. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
  688. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
  689. }
  690. break;
  691. case 10:
  692. if (dither == AMDGPU_FMT_DITHER_ENABLE) {
  693. /* XXX sort out optimal dither settings */
  694. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
  695. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
  696. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
  697. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
  698. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
  699. } else {
  700. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
  701. tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
  702. }
  703. break;
  704. default:
  705. /* not needed */
  706. break;
  707. }
  708. WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  709. }
  710. /* display watermark setup */
  711. /**
  712. * dce_v10_0_line_buffer_adjust - Set up the line buffer
  713. *
  714. * @adev: amdgpu_device pointer
  715. * @amdgpu_crtc: the selected display controller
  716. * @mode: the current display mode on the selected display
  717. * controller
  718. *
  719. * Setup up the line buffer allocation for
  720. * the selected display controller (CIK).
  721. * Returns the line buffer size in pixels.
  722. */
  723. static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
  724. struct amdgpu_crtc *amdgpu_crtc,
  725. struct drm_display_mode *mode)
  726. {
  727. u32 tmp, buffer_alloc, i, mem_cfg;
  728. u32 pipe_offset = amdgpu_crtc->crtc_id;
  729. /*
  730. * Line Buffer Setup
  731. * There are 6 line buffers, one for each display controllers.
  732. * There are 3 partitions per LB. Select the number of partitions
  733. * to enable based on the display width. For display widths larger
  734. * than 4096, you need use to use 2 display controllers and combine
  735. * them using the stereo blender.
  736. */
  737. if (amdgpu_crtc->base.enabled && mode) {
  738. if (mode->crtc_hdisplay < 1920) {
  739. mem_cfg = 1;
  740. buffer_alloc = 2;
  741. } else if (mode->crtc_hdisplay < 2560) {
  742. mem_cfg = 2;
  743. buffer_alloc = 2;
  744. } else if (mode->crtc_hdisplay < 4096) {
  745. mem_cfg = 0;
  746. buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
  747. } else {
  748. DRM_DEBUG_KMS("Mode too big for LB!\n");
  749. mem_cfg = 0;
  750. buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
  751. }
  752. } else {
  753. mem_cfg = 1;
  754. buffer_alloc = 0;
  755. }
  756. tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
  757. tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
  758. WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
  759. tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
  760. tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
  761. WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
  762. for (i = 0; i < adev->usec_timeout; i++) {
  763. tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
  764. if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
  765. break;
  766. udelay(1);
  767. }
  768. if (amdgpu_crtc->base.enabled && mode) {
  769. switch (mem_cfg) {
  770. case 0:
  771. default:
  772. return 4096 * 2;
  773. case 1:
  774. return 1920 * 2;
  775. case 2:
  776. return 2560 * 2;
  777. }
  778. }
  779. /* controller not enabled, so no lb used */
  780. return 0;
  781. }
  782. /**
  783. * cik_get_number_of_dram_channels - get the number of dram channels
  784. *
  785. * @adev: amdgpu_device pointer
  786. *
  787. * Look up the number of video ram channels (CIK).
  788. * Used for display watermark bandwidth calculations
  789. * Returns the number of dram channels
  790. */
  791. static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
  792. {
  793. u32 tmp = RREG32(mmMC_SHARED_CHMAP);
  794. switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
  795. case 0:
  796. default:
  797. return 1;
  798. case 1:
  799. return 2;
  800. case 2:
  801. return 4;
  802. case 3:
  803. return 8;
  804. case 4:
  805. return 3;
  806. case 5:
  807. return 6;
  808. case 6:
  809. return 10;
  810. case 7:
  811. return 12;
  812. case 8:
  813. return 16;
  814. }
  815. }
  816. struct dce10_wm_params {
  817. u32 dram_channels; /* number of dram channels */
  818. u32 yclk; /* bandwidth per dram data pin in kHz */
  819. u32 sclk; /* engine clock in kHz */
  820. u32 disp_clk; /* display clock in kHz */
  821. u32 src_width; /* viewport width */
  822. u32 active_time; /* active display time in ns */
  823. u32 blank_time; /* blank time in ns */
  824. bool interlaced; /* mode is interlaced */
  825. fixed20_12 vsc; /* vertical scale ratio */
  826. u32 num_heads; /* number of active crtcs */
  827. u32 bytes_per_pixel; /* bytes per pixel display + overlay */
  828. u32 lb_size; /* line buffer allocated to pipe */
  829. u32 vtaps; /* vertical scaler taps */
  830. };
  831. /**
  832. * dce_v10_0_dram_bandwidth - get the dram bandwidth
  833. *
  834. * @wm: watermark calculation data
  835. *
  836. * Calculate the raw dram bandwidth (CIK).
  837. * Used for display watermark bandwidth calculations
  838. * Returns the dram bandwidth in MBytes/s
  839. */
  840. static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
  841. {
  842. /* Calculate raw DRAM Bandwidth */
  843. fixed20_12 dram_efficiency; /* 0.7 */
  844. fixed20_12 yclk, dram_channels, bandwidth;
  845. fixed20_12 a;
  846. a.full = dfixed_const(1000);
  847. yclk.full = dfixed_const(wm->yclk);
  848. yclk.full = dfixed_div(yclk, a);
  849. dram_channels.full = dfixed_const(wm->dram_channels * 4);
  850. a.full = dfixed_const(10);
  851. dram_efficiency.full = dfixed_const(7);
  852. dram_efficiency.full = dfixed_div(dram_efficiency, a);
  853. bandwidth.full = dfixed_mul(dram_channels, yclk);
  854. bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
  855. return dfixed_trunc(bandwidth);
  856. }
  857. /**
  858. * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
  859. *
  860. * @wm: watermark calculation data
  861. *
  862. * Calculate the dram bandwidth used for display (CIK).
  863. * Used for display watermark bandwidth calculations
  864. * Returns the dram bandwidth for display in MBytes/s
  865. */
  866. static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
  867. {
  868. /* Calculate DRAM Bandwidth and the part allocated to display. */
  869. fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
  870. fixed20_12 yclk, dram_channels, bandwidth;
  871. fixed20_12 a;
  872. a.full = dfixed_const(1000);
  873. yclk.full = dfixed_const(wm->yclk);
  874. yclk.full = dfixed_div(yclk, a);
  875. dram_channels.full = dfixed_const(wm->dram_channels * 4);
  876. a.full = dfixed_const(10);
  877. disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
  878. disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
  879. bandwidth.full = dfixed_mul(dram_channels, yclk);
  880. bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
  881. return dfixed_trunc(bandwidth);
  882. }
  883. /**
  884. * dce_v10_0_data_return_bandwidth - get the data return bandwidth
  885. *
  886. * @wm: watermark calculation data
  887. *
  888. * Calculate the data return bandwidth used for display (CIK).
  889. * Used for display watermark bandwidth calculations
  890. * Returns the data return bandwidth in MBytes/s
  891. */
  892. static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
  893. {
  894. /* Calculate the display Data return Bandwidth */
  895. fixed20_12 return_efficiency; /* 0.8 */
  896. fixed20_12 sclk, bandwidth;
  897. fixed20_12 a;
  898. a.full = dfixed_const(1000);
  899. sclk.full = dfixed_const(wm->sclk);
  900. sclk.full = dfixed_div(sclk, a);
  901. a.full = dfixed_const(10);
  902. return_efficiency.full = dfixed_const(8);
  903. return_efficiency.full = dfixed_div(return_efficiency, a);
  904. a.full = dfixed_const(32);
  905. bandwidth.full = dfixed_mul(a, sclk);
  906. bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
  907. return dfixed_trunc(bandwidth);
  908. }
  909. /**
  910. * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
  911. *
  912. * @wm: watermark calculation data
  913. *
  914. * Calculate the dmif bandwidth used for display (CIK).
  915. * Used for display watermark bandwidth calculations
  916. * Returns the dmif bandwidth in MBytes/s
  917. */
  918. static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
  919. {
  920. /* Calculate the DMIF Request Bandwidth */
  921. fixed20_12 disp_clk_request_efficiency; /* 0.8 */
  922. fixed20_12 disp_clk, bandwidth;
  923. fixed20_12 a, b;
  924. a.full = dfixed_const(1000);
  925. disp_clk.full = dfixed_const(wm->disp_clk);
  926. disp_clk.full = dfixed_div(disp_clk, a);
  927. a.full = dfixed_const(32);
  928. b.full = dfixed_mul(a, disp_clk);
  929. a.full = dfixed_const(10);
  930. disp_clk_request_efficiency.full = dfixed_const(8);
  931. disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
  932. bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
  933. return dfixed_trunc(bandwidth);
  934. }
  935. /**
  936. * dce_v10_0_available_bandwidth - get the min available bandwidth
  937. *
  938. * @wm: watermark calculation data
  939. *
  940. * Calculate the min available bandwidth used for display (CIK).
  941. * Used for display watermark bandwidth calculations
  942. * Returns the min available bandwidth in MBytes/s
  943. */
  944. static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
  945. {
  946. /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
  947. u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
  948. u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
  949. u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
  950. return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
  951. }
  952. /**
  953. * dce_v10_0_average_bandwidth - get the average available bandwidth
  954. *
  955. * @wm: watermark calculation data
  956. *
  957. * Calculate the average available bandwidth used for display (CIK).
  958. * Used for display watermark bandwidth calculations
  959. * Returns the average available bandwidth in MBytes/s
  960. */
  961. static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
  962. {
  963. /* Calculate the display mode Average Bandwidth
  964. * DisplayMode should contain the source and destination dimensions,
  965. * timing, etc.
  966. */
  967. fixed20_12 bpp;
  968. fixed20_12 line_time;
  969. fixed20_12 src_width;
  970. fixed20_12 bandwidth;
  971. fixed20_12 a;
  972. a.full = dfixed_const(1000);
  973. line_time.full = dfixed_const(wm->active_time + wm->blank_time);
  974. line_time.full = dfixed_div(line_time, a);
  975. bpp.full = dfixed_const(wm->bytes_per_pixel);
  976. src_width.full = dfixed_const(wm->src_width);
  977. bandwidth.full = dfixed_mul(src_width, bpp);
  978. bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
  979. bandwidth.full = dfixed_div(bandwidth, line_time);
  980. return dfixed_trunc(bandwidth);
  981. }
  982. /**
  983. * dce_v10_0_latency_watermark - get the latency watermark
  984. *
  985. * @wm: watermark calculation data
  986. *
  987. * Calculate the latency watermark (CIK).
  988. * Used for display watermark bandwidth calculations
  989. * Returns the latency watermark in ns
  990. */
  991. static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
  992. {
  993. /* First calculate the latency in ns */
  994. u32 mc_latency = 2000; /* 2000 ns. */
  995. u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
  996. u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
  997. u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
  998. u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
  999. u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
  1000. (wm->num_heads * cursor_line_pair_return_time);
  1001. u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
  1002. u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
  1003. u32 tmp, dmif_size = 12288;
  1004. fixed20_12 a, b, c;
  1005. if (wm->num_heads == 0)
  1006. return 0;
  1007. a.full = dfixed_const(2);
  1008. b.full = dfixed_const(1);
  1009. if ((wm->vsc.full > a.full) ||
  1010. ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
  1011. (wm->vtaps >= 5) ||
  1012. ((wm->vsc.full >= a.full) && wm->interlaced))
  1013. max_src_lines_per_dst_line = 4;
  1014. else
  1015. max_src_lines_per_dst_line = 2;
  1016. a.full = dfixed_const(available_bandwidth);
  1017. b.full = dfixed_const(wm->num_heads);
  1018. a.full = dfixed_div(a, b);
  1019. b.full = dfixed_const(mc_latency + 512);
  1020. c.full = dfixed_const(wm->disp_clk);
  1021. b.full = dfixed_div(b, c);
  1022. c.full = dfixed_const(dmif_size);
  1023. b.full = dfixed_div(c, b);
  1024. tmp = min(dfixed_trunc(a), dfixed_trunc(b));
  1025. b.full = dfixed_const(1000);
  1026. c.full = dfixed_const(wm->disp_clk);
  1027. b.full = dfixed_div(c, b);
  1028. c.full = dfixed_const(wm->bytes_per_pixel);
  1029. b.full = dfixed_mul(b, c);
  1030. lb_fill_bw = min(tmp, dfixed_trunc(b));
  1031. a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
  1032. b.full = dfixed_const(1000);
  1033. c.full = dfixed_const(lb_fill_bw);
  1034. b.full = dfixed_div(c, b);
  1035. a.full = dfixed_div(a, b);
  1036. line_fill_time = dfixed_trunc(a);
  1037. if (line_fill_time < wm->active_time)
  1038. return latency;
  1039. else
  1040. return latency + (line_fill_time - wm->active_time);
  1041. }
  1042. /**
  1043. * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
  1044. * average and available dram bandwidth
  1045. *
  1046. * @wm: watermark calculation data
  1047. *
  1048. * Check if the display average bandwidth fits in the display
  1049. * dram bandwidth (CIK).
  1050. * Used for display watermark bandwidth calculations
  1051. * Returns true if the display fits, false if not.
  1052. */
  1053. static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
  1054. {
  1055. if (dce_v10_0_average_bandwidth(wm) <=
  1056. (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
  1057. return true;
  1058. else
  1059. return false;
  1060. }
  1061. /**
  1062. * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
  1063. * average and available bandwidth
  1064. *
  1065. * @wm: watermark calculation data
  1066. *
  1067. * Check if the display average bandwidth fits in the display
  1068. * available bandwidth (CIK).
  1069. * Used for display watermark bandwidth calculations
  1070. * Returns true if the display fits, false if not.
  1071. */
  1072. static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
  1073. {
  1074. if (dce_v10_0_average_bandwidth(wm) <=
  1075. (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
  1076. return true;
  1077. else
  1078. return false;
  1079. }
  1080. /**
  1081. * dce_v10_0_check_latency_hiding - check latency hiding
  1082. *
  1083. * @wm: watermark calculation data
  1084. *
  1085. * Check latency hiding (CIK).
  1086. * Used for display watermark bandwidth calculations
  1087. * Returns true if the display fits, false if not.
  1088. */
  1089. static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
  1090. {
  1091. u32 lb_partitions = wm->lb_size / wm->src_width;
  1092. u32 line_time = wm->active_time + wm->blank_time;
  1093. u32 latency_tolerant_lines;
  1094. u32 latency_hiding;
  1095. fixed20_12 a;
  1096. a.full = dfixed_const(1);
  1097. if (wm->vsc.full > a.full)
  1098. latency_tolerant_lines = 1;
  1099. else {
  1100. if (lb_partitions <= (wm->vtaps + 1))
  1101. latency_tolerant_lines = 1;
  1102. else
  1103. latency_tolerant_lines = 2;
  1104. }
  1105. latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
  1106. if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
  1107. return true;
  1108. else
  1109. return false;
  1110. }
  1111. /**
  1112. * dce_v10_0_program_watermarks - program display watermarks
  1113. *
  1114. * @adev: amdgpu_device pointer
  1115. * @amdgpu_crtc: the selected display controller
  1116. * @lb_size: line buffer size
  1117. * @num_heads: number of display controllers in use
  1118. *
  1119. * Calculate and program the display watermarks for the
  1120. * selected display controller (CIK).
  1121. */
  1122. static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
  1123. struct amdgpu_crtc *amdgpu_crtc,
  1124. u32 lb_size, u32 num_heads)
  1125. {
  1126. struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
  1127. struct dce10_wm_params wm_low, wm_high;
  1128. u32 pixel_period;
  1129. u32 line_time = 0;
  1130. u32 latency_watermark_a = 0, latency_watermark_b = 0;
  1131. u32 tmp, wm_mask;
  1132. if (amdgpu_crtc->base.enabled && num_heads && mode) {
  1133. pixel_period = 1000000 / (u32)mode->clock;
  1134. line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
  1135. /* watermark for high clocks */
  1136. if (adev->pm.dpm_enabled) {
  1137. wm_high.yclk =
  1138. amdgpu_dpm_get_mclk(adev, false) * 10;
  1139. wm_high.sclk =
  1140. amdgpu_dpm_get_sclk(adev, false) * 10;
  1141. } else {
  1142. wm_high.yclk = adev->pm.current_mclk * 10;
  1143. wm_high.sclk = adev->pm.current_sclk * 10;
  1144. }
  1145. wm_high.disp_clk = mode->clock;
  1146. wm_high.src_width = mode->crtc_hdisplay;
  1147. wm_high.active_time = mode->crtc_hdisplay * pixel_period;
  1148. wm_high.blank_time = line_time - wm_high.active_time;
  1149. wm_high.interlaced = false;
  1150. if (mode->flags & DRM_MODE_FLAG_INTERLACE)
  1151. wm_high.interlaced = true;
  1152. wm_high.vsc = amdgpu_crtc->vsc;
  1153. wm_high.vtaps = 1;
  1154. if (amdgpu_crtc->rmx_type != RMX_OFF)
  1155. wm_high.vtaps = 2;
  1156. wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
  1157. wm_high.lb_size = lb_size;
  1158. wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
  1159. wm_high.num_heads = num_heads;
  1160. /* set for high clocks */
  1161. latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
  1162. /* possibly force display priority to high */
  1163. /* should really do this at mode validation time... */
  1164. if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
  1165. !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
  1166. !dce_v10_0_check_latency_hiding(&wm_high) ||
  1167. (adev->mode_info.disp_priority == 2)) {
  1168. DRM_DEBUG_KMS("force priority to high\n");
  1169. }
  1170. /* watermark for low clocks */
  1171. if (adev->pm.dpm_enabled) {
  1172. wm_low.yclk =
  1173. amdgpu_dpm_get_mclk(adev, true) * 10;
  1174. wm_low.sclk =
  1175. amdgpu_dpm_get_sclk(adev, true) * 10;
  1176. } else {
  1177. wm_low.yclk = adev->pm.current_mclk * 10;
  1178. wm_low.sclk = adev->pm.current_sclk * 10;
  1179. }
  1180. wm_low.disp_clk = mode->clock;
  1181. wm_low.src_width = mode->crtc_hdisplay;
  1182. wm_low.active_time = mode->crtc_hdisplay * pixel_period;
  1183. wm_low.blank_time = line_time - wm_low.active_time;
  1184. wm_low.interlaced = false;
  1185. if (mode->flags & DRM_MODE_FLAG_INTERLACE)
  1186. wm_low.interlaced = true;
  1187. wm_low.vsc = amdgpu_crtc->vsc;
  1188. wm_low.vtaps = 1;
  1189. if (amdgpu_crtc->rmx_type != RMX_OFF)
  1190. wm_low.vtaps = 2;
  1191. wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
  1192. wm_low.lb_size = lb_size;
  1193. wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
  1194. wm_low.num_heads = num_heads;
  1195. /* set for low clocks */
  1196. latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
  1197. /* possibly force display priority to high */
  1198. /* should really do this at mode validation time... */
  1199. if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
  1200. !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
  1201. !dce_v10_0_check_latency_hiding(&wm_low) ||
  1202. (adev->mode_info.disp_priority == 2)) {
  1203. DRM_DEBUG_KMS("force priority to high\n");
  1204. }
  1205. }
  1206. /* select wm A */
  1207. wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
  1208. tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
  1209. WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  1210. tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
  1211. tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
  1212. tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
  1213. WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  1214. /* select wm B */
  1215. tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
  1216. WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  1217. tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
  1218. tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
  1219. tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
  1220. WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  1221. /* restore original selection */
  1222. WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
  1223. /* save values for DPM */
  1224. amdgpu_crtc->line_time = line_time;
  1225. amdgpu_crtc->wm_high = latency_watermark_a;
  1226. amdgpu_crtc->wm_low = latency_watermark_b;
  1227. }
  1228. /**
  1229. * dce_v10_0_bandwidth_update - program display watermarks
  1230. *
  1231. * @adev: amdgpu_device pointer
  1232. *
  1233. * Calculate and program the display watermarks and line
  1234. * buffer allocation (CIK).
  1235. */
  1236. static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
  1237. {
  1238. struct drm_display_mode *mode = NULL;
  1239. u32 num_heads = 0, lb_size;
  1240. int i;
  1241. amdgpu_update_display_priority(adev);
  1242. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  1243. if (adev->mode_info.crtcs[i]->base.enabled)
  1244. num_heads++;
  1245. }
  1246. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  1247. mode = &adev->mode_info.crtcs[i]->base.mode;
  1248. lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
  1249. dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
  1250. lb_size, num_heads);
  1251. }
  1252. }
  1253. static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
  1254. {
  1255. int i;
  1256. u32 offset, tmp;
  1257. for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
  1258. offset = adev->mode_info.audio.pin[i].offset;
  1259. tmp = RREG32_AUDIO_ENDPT(offset,
  1260. ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
  1261. if (((tmp &
  1262. AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
  1263. AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
  1264. adev->mode_info.audio.pin[i].connected = false;
  1265. else
  1266. adev->mode_info.audio.pin[i].connected = true;
  1267. }
  1268. }
  1269. static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
  1270. {
  1271. int i;
  1272. dce_v10_0_audio_get_connected_pins(adev);
  1273. for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
  1274. if (adev->mode_info.audio.pin[i].connected)
  1275. return &adev->mode_info.audio.pin[i];
  1276. }
  1277. DRM_ERROR("No connected audio pins found!\n");
  1278. return NULL;
  1279. }
  1280. static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
  1281. {
  1282. struct amdgpu_device *adev = encoder->dev->dev_private;
  1283. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1284. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1285. u32 tmp;
  1286. if (!dig || !dig->afmt || !dig->afmt->pin)
  1287. return;
  1288. tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
  1289. tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
  1290. WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
  1291. }
  1292. static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
  1293. struct drm_display_mode *mode)
  1294. {
  1295. struct amdgpu_device *adev = encoder->dev->dev_private;
  1296. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1297. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1298. struct drm_connector *connector;
  1299. struct amdgpu_connector *amdgpu_connector = NULL;
  1300. u32 tmp;
  1301. int interlace = 0;
  1302. if (!dig || !dig->afmt || !dig->afmt->pin)
  1303. return;
  1304. list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
  1305. if (connector->encoder == encoder) {
  1306. amdgpu_connector = to_amdgpu_connector(connector);
  1307. break;
  1308. }
  1309. }
  1310. if (!amdgpu_connector) {
  1311. DRM_ERROR("Couldn't find encoder's connector\n");
  1312. return;
  1313. }
  1314. if (mode->flags & DRM_MODE_FLAG_INTERLACE)
  1315. interlace = 1;
  1316. if (connector->latency_present[interlace]) {
  1317. tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
  1318. VIDEO_LIPSYNC, connector->video_latency[interlace]);
  1319. tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
  1320. AUDIO_LIPSYNC, connector->audio_latency[interlace]);
  1321. } else {
  1322. tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
  1323. VIDEO_LIPSYNC, 0);
  1324. tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
  1325. AUDIO_LIPSYNC, 0);
  1326. }
  1327. WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
  1328. ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
  1329. }
  1330. static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
  1331. {
  1332. struct amdgpu_device *adev = encoder->dev->dev_private;
  1333. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1334. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1335. struct drm_connector *connector;
  1336. struct amdgpu_connector *amdgpu_connector = NULL;
  1337. u32 tmp;
  1338. u8 *sadb = NULL;
  1339. int sad_count;
  1340. if (!dig || !dig->afmt || !dig->afmt->pin)
  1341. return;
  1342. list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
  1343. if (connector->encoder == encoder) {
  1344. amdgpu_connector = to_amdgpu_connector(connector);
  1345. break;
  1346. }
  1347. }
  1348. if (!amdgpu_connector) {
  1349. DRM_ERROR("Couldn't find encoder's connector\n");
  1350. return;
  1351. }
  1352. sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
  1353. if (sad_count < 0) {
  1354. DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
  1355. sad_count = 0;
  1356. }
  1357. /* program the speaker allocation */
  1358. tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
  1359. ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
  1360. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
  1361. DP_CONNECTION, 0);
  1362. /* set HDMI mode */
  1363. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
  1364. HDMI_CONNECTION, 1);
  1365. if (sad_count)
  1366. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
  1367. SPEAKER_ALLOCATION, sadb[0]);
  1368. else
  1369. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
  1370. SPEAKER_ALLOCATION, 5); /* stereo */
  1371. WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
  1372. ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
  1373. kfree(sadb);
  1374. }
  1375. static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
  1376. {
  1377. struct amdgpu_device *adev = encoder->dev->dev_private;
  1378. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1379. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1380. struct drm_connector *connector;
  1381. struct amdgpu_connector *amdgpu_connector = NULL;
  1382. struct cea_sad *sads;
  1383. int i, sad_count;
  1384. static const u16 eld_reg_to_type[][2] = {
  1385. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
  1386. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
  1387. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
  1388. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
  1389. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
  1390. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
  1391. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
  1392. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
  1393. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
  1394. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
  1395. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
  1396. { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
  1397. };
  1398. if (!dig || !dig->afmt || !dig->afmt->pin)
  1399. return;
  1400. list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
  1401. if (connector->encoder == encoder) {
  1402. amdgpu_connector = to_amdgpu_connector(connector);
  1403. break;
  1404. }
  1405. }
  1406. if (!amdgpu_connector) {
  1407. DRM_ERROR("Couldn't find encoder's connector\n");
  1408. return;
  1409. }
  1410. sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
  1411. if (sad_count <= 0) {
  1412. DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
  1413. return;
  1414. }
  1415. BUG_ON(!sads);
  1416. for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
  1417. u32 tmp = 0;
  1418. u8 stereo_freqs = 0;
  1419. int max_channels = -1;
  1420. int j;
  1421. for (j = 0; j < sad_count; j++) {
  1422. struct cea_sad *sad = &sads[j];
  1423. if (sad->format == eld_reg_to_type[i][1]) {
  1424. if (sad->channels > max_channels) {
  1425. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
  1426. MAX_CHANNELS, sad->channels);
  1427. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
  1428. DESCRIPTOR_BYTE_2, sad->byte2);
  1429. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
  1430. SUPPORTED_FREQUENCIES, sad->freq);
  1431. max_channels = sad->channels;
  1432. }
  1433. if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
  1434. stereo_freqs |= sad->freq;
  1435. else
  1436. break;
  1437. }
  1438. }
  1439. tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
  1440. SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
  1441. WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
  1442. }
  1443. kfree(sads);
  1444. }
  1445. static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
  1446. struct amdgpu_audio_pin *pin,
  1447. bool enable)
  1448. {
  1449. if (!pin)
  1450. return;
  1451. WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
  1452. enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
  1453. }
  1454. static const u32 pin_offsets[] =
  1455. {
  1456. AUD0_REGISTER_OFFSET,
  1457. AUD1_REGISTER_OFFSET,
  1458. AUD2_REGISTER_OFFSET,
  1459. AUD3_REGISTER_OFFSET,
  1460. AUD4_REGISTER_OFFSET,
  1461. AUD5_REGISTER_OFFSET,
  1462. AUD6_REGISTER_OFFSET,
  1463. };
  1464. static int dce_v10_0_audio_init(struct amdgpu_device *adev)
  1465. {
  1466. int i;
  1467. if (!amdgpu_audio)
  1468. return 0;
  1469. adev->mode_info.audio.enabled = true;
  1470. adev->mode_info.audio.num_pins = 7;
  1471. for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
  1472. adev->mode_info.audio.pin[i].channels = -1;
  1473. adev->mode_info.audio.pin[i].rate = -1;
  1474. adev->mode_info.audio.pin[i].bits_per_sample = -1;
  1475. adev->mode_info.audio.pin[i].status_bits = 0;
  1476. adev->mode_info.audio.pin[i].category_code = 0;
  1477. adev->mode_info.audio.pin[i].connected = false;
  1478. adev->mode_info.audio.pin[i].offset = pin_offsets[i];
  1479. adev->mode_info.audio.pin[i].id = i;
  1480. /* disable audio. it will be set up later */
  1481. /* XXX remove once we switch to ip funcs */
  1482. dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
  1483. }
  1484. return 0;
  1485. }
  1486. static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
  1487. {
  1488. int i;
  1489. if (!adev->mode_info.audio.enabled)
  1490. return;
  1491. for (i = 0; i < adev->mode_info.audio.num_pins; i++)
  1492. dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
  1493. adev->mode_info.audio.enabled = false;
  1494. }
  1495. /*
  1496. * update the N and CTS parameters for a given pixel clock rate
  1497. */
  1498. static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
  1499. {
  1500. struct drm_device *dev = encoder->dev;
  1501. struct amdgpu_device *adev = dev->dev_private;
  1502. struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
  1503. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1504. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1505. u32 tmp;
  1506. tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
  1507. tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
  1508. WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
  1509. tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
  1510. tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
  1511. WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
  1512. tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
  1513. tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
  1514. WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
  1515. tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
  1516. tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
  1517. WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
  1518. tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
  1519. tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
  1520. WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
  1521. tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
  1522. tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
  1523. WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
  1524. }
  1525. /*
  1526. * build a HDMI Video Info Frame
  1527. */
  1528. static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
  1529. void *buffer, size_t size)
  1530. {
  1531. struct drm_device *dev = encoder->dev;
  1532. struct amdgpu_device *adev = dev->dev_private;
  1533. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1534. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1535. uint8_t *frame = buffer + 3;
  1536. uint8_t *header = buffer;
  1537. WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
  1538. frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
  1539. WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
  1540. frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
  1541. WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
  1542. frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
  1543. WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
  1544. frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
  1545. }
  1546. static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
  1547. {
  1548. struct drm_device *dev = encoder->dev;
  1549. struct amdgpu_device *adev = dev->dev_private;
  1550. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1551. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1552. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
  1553. u32 dto_phase = 24 * 1000;
  1554. u32 dto_modulo = clock;
  1555. u32 tmp;
  1556. if (!dig || !dig->afmt)
  1557. return;
  1558. /* XXX two dtos; generally use dto0 for hdmi */
  1559. /* Express [24MHz / target pixel clock] as an exact rational
  1560. * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
  1561. * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
  1562. */
  1563. tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
  1564. tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
  1565. amdgpu_crtc->crtc_id);
  1566. WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
  1567. WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
  1568. WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
  1569. }
  1570. /*
  1571. * update the info frames with the data from the current display mode
  1572. */
  1573. static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
  1574. struct drm_display_mode *mode)
  1575. {
  1576. struct drm_device *dev = encoder->dev;
  1577. struct amdgpu_device *adev = dev->dev_private;
  1578. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1579. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1580. struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
  1581. u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
  1582. struct hdmi_avi_infoframe frame;
  1583. ssize_t err;
  1584. u32 tmp;
  1585. int bpc = 8;
  1586. if (!dig || !dig->afmt)
  1587. return;
  1588. /* Silent, r600_hdmi_enable will raise WARN for us */
  1589. if (!dig->afmt->enabled)
  1590. return;
  1591. /* hdmi deep color mode general control packets setup, if bpc > 8 */
  1592. if (encoder->crtc) {
  1593. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
  1594. bpc = amdgpu_crtc->bpc;
  1595. }
  1596. /* disable audio prior to setting up hw */
  1597. dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
  1598. dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
  1599. dce_v10_0_audio_set_dto(encoder, mode->clock);
  1600. tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
  1601. tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
  1602. WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
  1603. WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
  1604. tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
  1605. switch (bpc) {
  1606. case 0:
  1607. case 6:
  1608. case 8:
  1609. case 16:
  1610. default:
  1611. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
  1612. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
  1613. DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
  1614. connector->name, bpc);
  1615. break;
  1616. case 10:
  1617. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
  1618. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
  1619. DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
  1620. connector->name);
  1621. break;
  1622. case 12:
  1623. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
  1624. tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
  1625. DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
  1626. connector->name);
  1627. break;
  1628. }
  1629. WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
  1630. tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
  1631. tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
  1632. tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
  1633. tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
  1634. WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
  1635. tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
  1636. /* enable audio info frames (frames won't be set until audio is enabled) */
  1637. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
  1638. /* required for audio info values to be updated */
  1639. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
  1640. WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
  1641. tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
  1642. /* required for audio info values to be updated */
  1643. tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
  1644. WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
  1645. tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
  1646. /* anything other than 0 */
  1647. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
  1648. WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
  1649. WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
  1650. tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
  1651. /* set the default audio delay */
  1652. tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
  1653. /* should be suffient for all audio modes and small enough for all hblanks */
  1654. tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
  1655. WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
  1656. tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
  1657. /* allow 60958 channel status fields to be updated */
  1658. tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
  1659. WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
  1660. tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
  1661. if (bpc > 8)
  1662. /* clear SW CTS value */
  1663. tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
  1664. else
  1665. /* select SW CTS value */
  1666. tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
  1667. /* allow hw to sent ACR packets when required */
  1668. tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
  1669. WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
  1670. dce_v10_0_afmt_update_ACR(encoder, mode->clock);
  1671. tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
  1672. tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
  1673. WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
  1674. tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
  1675. tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
  1676. WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
  1677. tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
  1678. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
  1679. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
  1680. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
  1681. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
  1682. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
  1683. tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
  1684. WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
  1685. dce_v10_0_audio_write_speaker_allocation(encoder);
  1686. WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
  1687. (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
  1688. dce_v10_0_afmt_audio_select_pin(encoder);
  1689. dce_v10_0_audio_write_sad_regs(encoder);
  1690. dce_v10_0_audio_write_latency_fields(encoder, mode);
  1691. err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
  1692. if (err < 0) {
  1693. DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
  1694. return;
  1695. }
  1696. err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
  1697. if (err < 0) {
  1698. DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
  1699. return;
  1700. }
  1701. dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
  1702. tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
  1703. /* enable AVI info frames */
  1704. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
  1705. /* required for audio info values to be updated */
  1706. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
  1707. WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
  1708. tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
  1709. tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
  1710. WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
  1711. tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
  1712. /* send audio packets */
  1713. tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
  1714. WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
  1715. WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
  1716. WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
  1717. WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
  1718. WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
  1719. /* enable audio after to setting up hw */
  1720. dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
  1721. }
  1722. static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
  1723. {
  1724. struct drm_device *dev = encoder->dev;
  1725. struct amdgpu_device *adev = dev->dev_private;
  1726. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  1727. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  1728. if (!dig || !dig->afmt)
  1729. return;
  1730. /* Silent, r600_hdmi_enable will raise WARN for us */
  1731. if (enable && dig->afmt->enabled)
  1732. return;
  1733. if (!enable && !dig->afmt->enabled)
  1734. return;
  1735. if (!enable && dig->afmt->pin) {
  1736. dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
  1737. dig->afmt->pin = NULL;
  1738. }
  1739. dig->afmt->enabled = enable;
  1740. DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
  1741. enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
  1742. }
  1743. static void dce_v10_0_afmt_init(struct amdgpu_device *adev)
  1744. {
  1745. int i;
  1746. for (i = 0; i < adev->mode_info.num_dig; i++)
  1747. adev->mode_info.afmt[i] = NULL;
  1748. /* DCE10 has audio blocks tied to DIG encoders */
  1749. for (i = 0; i < adev->mode_info.num_dig; i++) {
  1750. adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
  1751. if (adev->mode_info.afmt[i]) {
  1752. adev->mode_info.afmt[i]->offset = dig_offsets[i];
  1753. adev->mode_info.afmt[i]->id = i;
  1754. }
  1755. }
  1756. }
  1757. static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
  1758. {
  1759. int i;
  1760. for (i = 0; i < adev->mode_info.num_dig; i++) {
  1761. kfree(adev->mode_info.afmt[i]);
  1762. adev->mode_info.afmt[i] = NULL;
  1763. }
  1764. }
  1765. static const u32 vga_control_regs[6] =
  1766. {
  1767. mmD1VGA_CONTROL,
  1768. mmD2VGA_CONTROL,
  1769. mmD3VGA_CONTROL,
  1770. mmD4VGA_CONTROL,
  1771. mmD5VGA_CONTROL,
  1772. mmD6VGA_CONTROL,
  1773. };
  1774. static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
  1775. {
  1776. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  1777. struct drm_device *dev = crtc->dev;
  1778. struct amdgpu_device *adev = dev->dev_private;
  1779. u32 vga_control;
  1780. vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
  1781. if (enable)
  1782. WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
  1783. else
  1784. WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
  1785. }
  1786. static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
  1787. {
  1788. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  1789. struct drm_device *dev = crtc->dev;
  1790. struct amdgpu_device *adev = dev->dev_private;
  1791. if (enable)
  1792. WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
  1793. else
  1794. WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
  1795. }
  1796. static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
  1797. struct drm_framebuffer *fb,
  1798. int x, int y, int atomic)
  1799. {
  1800. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  1801. struct drm_device *dev = crtc->dev;
  1802. struct amdgpu_device *adev = dev->dev_private;
  1803. struct amdgpu_framebuffer *amdgpu_fb;
  1804. struct drm_framebuffer *target_fb;
  1805. struct drm_gem_object *obj;
  1806. struct amdgpu_bo *rbo;
  1807. uint64_t fb_location, tiling_flags;
  1808. uint32_t fb_format, fb_pitch_pixels;
  1809. u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
  1810. u32 pipe_config;
  1811. u32 tmp, viewport_w, viewport_h;
  1812. int r;
  1813. bool bypass_lut = false;
  1814. /* no fb bound */
  1815. if (!atomic && !crtc->primary->fb) {
  1816. DRM_DEBUG_KMS("No FB bound\n");
  1817. return 0;
  1818. }
  1819. if (atomic) {
  1820. amdgpu_fb = to_amdgpu_framebuffer(fb);
  1821. target_fb = fb;
  1822. }
  1823. else {
  1824. amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
  1825. target_fb = crtc->primary->fb;
  1826. }
  1827. /* If atomic, assume fb object is pinned & idle & fenced and
  1828. * just update base pointers
  1829. */
  1830. obj = amdgpu_fb->obj;
  1831. rbo = gem_to_amdgpu_bo(obj);
  1832. r = amdgpu_bo_reserve(rbo, false);
  1833. if (unlikely(r != 0))
  1834. return r;
  1835. if (atomic)
  1836. fb_location = amdgpu_bo_gpu_offset(rbo);
  1837. else {
  1838. r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
  1839. if (unlikely(r != 0)) {
  1840. amdgpu_bo_unreserve(rbo);
  1841. return -EINVAL;
  1842. }
  1843. }
  1844. amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
  1845. amdgpu_bo_unreserve(rbo);
  1846. pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
  1847. switch (target_fb->pixel_format) {
  1848. case DRM_FORMAT_C8:
  1849. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
  1850. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
  1851. break;
  1852. case DRM_FORMAT_XRGB4444:
  1853. case DRM_FORMAT_ARGB4444:
  1854. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
  1855. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
  1856. #ifdef __BIG_ENDIAN
  1857. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1858. ENDIAN_8IN16);
  1859. #endif
  1860. break;
  1861. case DRM_FORMAT_XRGB1555:
  1862. case DRM_FORMAT_ARGB1555:
  1863. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
  1864. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
  1865. #ifdef __BIG_ENDIAN
  1866. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1867. ENDIAN_8IN16);
  1868. #endif
  1869. break;
  1870. case DRM_FORMAT_BGRX5551:
  1871. case DRM_FORMAT_BGRA5551:
  1872. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
  1873. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
  1874. #ifdef __BIG_ENDIAN
  1875. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1876. ENDIAN_8IN16);
  1877. #endif
  1878. break;
  1879. case DRM_FORMAT_RGB565:
  1880. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
  1881. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
  1882. #ifdef __BIG_ENDIAN
  1883. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1884. ENDIAN_8IN16);
  1885. #endif
  1886. break;
  1887. case DRM_FORMAT_XRGB8888:
  1888. case DRM_FORMAT_ARGB8888:
  1889. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
  1890. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
  1891. #ifdef __BIG_ENDIAN
  1892. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1893. ENDIAN_8IN32);
  1894. #endif
  1895. break;
  1896. case DRM_FORMAT_XRGB2101010:
  1897. case DRM_FORMAT_ARGB2101010:
  1898. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
  1899. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
  1900. #ifdef __BIG_ENDIAN
  1901. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1902. ENDIAN_8IN32);
  1903. #endif
  1904. /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
  1905. bypass_lut = true;
  1906. break;
  1907. case DRM_FORMAT_BGRX1010102:
  1908. case DRM_FORMAT_BGRA1010102:
  1909. fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
  1910. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
  1911. #ifdef __BIG_ENDIAN
  1912. fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
  1913. ENDIAN_8IN32);
  1914. #endif
  1915. /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
  1916. bypass_lut = true;
  1917. break;
  1918. default:
  1919. DRM_ERROR("Unsupported screen format %s\n",
  1920. drm_get_format_name(target_fb->pixel_format));
  1921. return -EINVAL;
  1922. }
  1923. if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
  1924. unsigned bankw, bankh, mtaspect, tile_split, num_banks;
  1925. bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
  1926. bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
  1927. mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
  1928. tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
  1929. num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
  1930. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
  1931. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
  1932. ARRAY_2D_TILED_THIN1);
  1933. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
  1934. tile_split);
  1935. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
  1936. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
  1937. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
  1938. mtaspect);
  1939. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
  1940. ADDR_SURF_MICRO_TILING_DISPLAY);
  1941. } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
  1942. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
  1943. ARRAY_1D_TILED_THIN1);
  1944. }
  1945. fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
  1946. pipe_config);
  1947. dce_v10_0_vga_enable(crtc, false);
  1948. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
  1949. upper_32_bits(fb_location));
  1950. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
  1951. upper_32_bits(fb_location));
  1952. WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
  1953. (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
  1954. WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
  1955. (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
  1956. WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
  1957. WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
  1958. /*
  1959. * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
  1960. * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
  1961. * retain the full precision throughout the pipeline.
  1962. */
  1963. tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
  1964. if (bypass_lut)
  1965. tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
  1966. else
  1967. tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
  1968. WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
  1969. if (bypass_lut)
  1970. DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
  1971. WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
  1972. WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
  1973. WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
  1974. WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
  1975. WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
  1976. WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
  1977. fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
  1978. WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
  1979. dce_v10_0_grph_enable(crtc, true);
  1980. WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
  1981. target_fb->height);
  1982. x &= ~3;
  1983. y &= ~1;
  1984. WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
  1985. (x << 16) | y);
  1986. viewport_w = crtc->mode.hdisplay;
  1987. viewport_h = (crtc->mode.vdisplay + 1) & ~1;
  1988. WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
  1989. (viewport_w << 16) | viewport_h);
  1990. /* pageflip setup */
  1991. /* make sure flip is at vb rather than hb */
  1992. tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
  1993. tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
  1994. GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
  1995. WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  1996. /* set pageflip to happen only at start of vblank interval (front porch) */
  1997. WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
  1998. if (!atomic && fb && fb != crtc->primary->fb) {
  1999. amdgpu_fb = to_amdgpu_framebuffer(fb);
  2000. rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
  2001. r = amdgpu_bo_reserve(rbo, false);
  2002. if (unlikely(r != 0))
  2003. return r;
  2004. amdgpu_bo_unpin(rbo);
  2005. amdgpu_bo_unreserve(rbo);
  2006. }
  2007. /* Bytes per pixel may have changed */
  2008. dce_v10_0_bandwidth_update(adev);
  2009. return 0;
  2010. }
  2011. static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
  2012. struct drm_display_mode *mode)
  2013. {
  2014. struct drm_device *dev = crtc->dev;
  2015. struct amdgpu_device *adev = dev->dev_private;
  2016. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2017. u32 tmp;
  2018. tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
  2019. if (mode->flags & DRM_MODE_FLAG_INTERLACE)
  2020. tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
  2021. else
  2022. tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
  2023. WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
  2024. }
  2025. static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
  2026. {
  2027. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2028. struct drm_device *dev = crtc->dev;
  2029. struct amdgpu_device *adev = dev->dev_private;
  2030. int i;
  2031. u32 tmp;
  2032. DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
  2033. tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
  2034. tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
  2035. tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
  2036. WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2037. tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
  2038. tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
  2039. WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2040. tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
  2041. tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
  2042. WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2043. tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
  2044. tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
  2045. tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
  2046. WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2047. WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
  2048. WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
  2049. WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
  2050. WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
  2051. WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
  2052. WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
  2053. WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
  2054. WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
  2055. WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
  2056. WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
  2057. for (i = 0; i < 256; i++) {
  2058. WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
  2059. (amdgpu_crtc->lut_r[i] << 20) |
  2060. (amdgpu_crtc->lut_g[i] << 10) |
  2061. (amdgpu_crtc->lut_b[i] << 0));
  2062. }
  2063. tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
  2064. tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
  2065. tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
  2066. tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
  2067. WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2068. tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
  2069. tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
  2070. tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
  2071. WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2072. tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
  2073. tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
  2074. tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
  2075. WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2076. tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
  2077. tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
  2078. tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
  2079. WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2080. /* XXX match this to the depth of the crtc fmt block, move to modeset? */
  2081. WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
  2082. /* XXX this only needs to be programmed once per crtc at startup,
  2083. * not sure where the best place for it is
  2084. */
  2085. tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
  2086. tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
  2087. WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2088. }
  2089. static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
  2090. {
  2091. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  2092. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  2093. switch (amdgpu_encoder->encoder_id) {
  2094. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
  2095. if (dig->linkb)
  2096. return 1;
  2097. else
  2098. return 0;
  2099. break;
  2100. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
  2101. if (dig->linkb)
  2102. return 3;
  2103. else
  2104. return 2;
  2105. break;
  2106. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
  2107. if (dig->linkb)
  2108. return 5;
  2109. else
  2110. return 4;
  2111. break;
  2112. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
  2113. return 6;
  2114. break;
  2115. default:
  2116. DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
  2117. return 0;
  2118. }
  2119. }
  2120. /**
  2121. * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
  2122. *
  2123. * @crtc: drm crtc
  2124. *
  2125. * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
  2126. * a single PPLL can be used for all DP crtcs/encoders. For non-DP
  2127. * monitors a dedicated PPLL must be used. If a particular board has
  2128. * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
  2129. * as there is no need to program the PLL itself. If we are not able to
  2130. * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
  2131. * avoid messing up an existing monitor.
  2132. *
  2133. * Asic specific PLL information
  2134. *
  2135. * DCE 10.x
  2136. * Tonga
  2137. * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
  2138. * CI
  2139. * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
  2140. *
  2141. */
  2142. static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
  2143. {
  2144. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2145. struct drm_device *dev = crtc->dev;
  2146. struct amdgpu_device *adev = dev->dev_private;
  2147. u32 pll_in_use;
  2148. int pll;
  2149. if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
  2150. if (adev->clock.dp_extclk)
  2151. /* skip PPLL programming if using ext clock */
  2152. return ATOM_PPLL_INVALID;
  2153. else {
  2154. /* use the same PPLL for all DP monitors */
  2155. pll = amdgpu_pll_get_shared_dp_ppll(crtc);
  2156. if (pll != ATOM_PPLL_INVALID)
  2157. return pll;
  2158. }
  2159. } else {
  2160. /* use the same PPLL for all monitors with the same clock */
  2161. pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
  2162. if (pll != ATOM_PPLL_INVALID)
  2163. return pll;
  2164. }
  2165. /* DCE10 has PPLL0, PPLL1, and PPLL2 */
  2166. pll_in_use = amdgpu_pll_get_use_mask(crtc);
  2167. if (!(pll_in_use & (1 << ATOM_PPLL2)))
  2168. return ATOM_PPLL2;
  2169. if (!(pll_in_use & (1 << ATOM_PPLL1)))
  2170. return ATOM_PPLL1;
  2171. if (!(pll_in_use & (1 << ATOM_PPLL0)))
  2172. return ATOM_PPLL0;
  2173. DRM_ERROR("unable to allocate a PPLL\n");
  2174. return ATOM_PPLL_INVALID;
  2175. }
  2176. static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
  2177. {
  2178. struct amdgpu_device *adev = crtc->dev->dev_private;
  2179. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2180. uint32_t cur_lock;
  2181. cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
  2182. if (lock)
  2183. cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
  2184. else
  2185. cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
  2186. WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
  2187. }
  2188. static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
  2189. {
  2190. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2191. struct amdgpu_device *adev = crtc->dev->dev_private;
  2192. u32 tmp;
  2193. tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
  2194. tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
  2195. WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2196. }
  2197. static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
  2198. {
  2199. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2200. struct amdgpu_device *adev = crtc->dev->dev_private;
  2201. u32 tmp;
  2202. WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
  2203. upper_32_bits(amdgpu_crtc->cursor_addr));
  2204. WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
  2205. lower_32_bits(amdgpu_crtc->cursor_addr));
  2206. tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
  2207. tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
  2208. tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
  2209. WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
  2210. }
  2211. static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
  2212. int x, int y)
  2213. {
  2214. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2215. struct amdgpu_device *adev = crtc->dev->dev_private;
  2216. int xorigin = 0, yorigin = 0;
  2217. /* avivo cursor are offset into the total surface */
  2218. x += crtc->x;
  2219. y += crtc->y;
  2220. DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
  2221. if (x < 0) {
  2222. xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
  2223. x = 0;
  2224. }
  2225. if (y < 0) {
  2226. yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
  2227. y = 0;
  2228. }
  2229. WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
  2230. WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
  2231. WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
  2232. ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
  2233. amdgpu_crtc->cursor_x = x;
  2234. amdgpu_crtc->cursor_y = y;
  2235. return 0;
  2236. }
  2237. static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
  2238. int x, int y)
  2239. {
  2240. int ret;
  2241. dce_v10_0_lock_cursor(crtc, true);
  2242. ret = dce_v10_0_cursor_move_locked(crtc, x, y);
  2243. dce_v10_0_lock_cursor(crtc, false);
  2244. return ret;
  2245. }
  2246. static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
  2247. struct drm_file *file_priv,
  2248. uint32_t handle,
  2249. uint32_t width,
  2250. uint32_t height,
  2251. int32_t hot_x,
  2252. int32_t hot_y)
  2253. {
  2254. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2255. struct drm_gem_object *obj;
  2256. struct amdgpu_bo *aobj;
  2257. int ret;
  2258. if (!handle) {
  2259. /* turn off cursor */
  2260. dce_v10_0_hide_cursor(crtc);
  2261. obj = NULL;
  2262. goto unpin;
  2263. }
  2264. if ((width > amdgpu_crtc->max_cursor_width) ||
  2265. (height > amdgpu_crtc->max_cursor_height)) {
  2266. DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
  2267. return -EINVAL;
  2268. }
  2269. obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
  2270. if (!obj) {
  2271. DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
  2272. return -ENOENT;
  2273. }
  2274. aobj = gem_to_amdgpu_bo(obj);
  2275. ret = amdgpu_bo_reserve(aobj, false);
  2276. if (ret != 0) {
  2277. drm_gem_object_unreference_unlocked(obj);
  2278. return ret;
  2279. }
  2280. ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
  2281. amdgpu_bo_unreserve(aobj);
  2282. if (ret) {
  2283. DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
  2284. drm_gem_object_unreference_unlocked(obj);
  2285. return ret;
  2286. }
  2287. amdgpu_crtc->cursor_width = width;
  2288. amdgpu_crtc->cursor_height = height;
  2289. dce_v10_0_lock_cursor(crtc, true);
  2290. if (hot_x != amdgpu_crtc->cursor_hot_x ||
  2291. hot_y != amdgpu_crtc->cursor_hot_y) {
  2292. int x, y;
  2293. x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
  2294. y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
  2295. dce_v10_0_cursor_move_locked(crtc, x, y);
  2296. amdgpu_crtc->cursor_hot_x = hot_x;
  2297. amdgpu_crtc->cursor_hot_y = hot_y;
  2298. }
  2299. dce_v10_0_show_cursor(crtc);
  2300. dce_v10_0_lock_cursor(crtc, false);
  2301. unpin:
  2302. if (amdgpu_crtc->cursor_bo) {
  2303. struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
  2304. ret = amdgpu_bo_reserve(aobj, false);
  2305. if (likely(ret == 0)) {
  2306. amdgpu_bo_unpin(aobj);
  2307. amdgpu_bo_unreserve(aobj);
  2308. }
  2309. drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
  2310. }
  2311. amdgpu_crtc->cursor_bo = obj;
  2312. return 0;
  2313. }
  2314. static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
  2315. {
  2316. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2317. if (amdgpu_crtc->cursor_bo) {
  2318. dce_v10_0_lock_cursor(crtc, true);
  2319. dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
  2320. amdgpu_crtc->cursor_y);
  2321. dce_v10_0_show_cursor(crtc);
  2322. dce_v10_0_lock_cursor(crtc, false);
  2323. }
  2324. }
  2325. static void dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
  2326. u16 *blue, uint32_t start, uint32_t size)
  2327. {
  2328. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2329. int end = (start + size > 256) ? 256 : start + size, i;
  2330. /* userspace palettes are always correct as is */
  2331. for (i = start; i < end; i++) {
  2332. amdgpu_crtc->lut_r[i] = red[i] >> 6;
  2333. amdgpu_crtc->lut_g[i] = green[i] >> 6;
  2334. amdgpu_crtc->lut_b[i] = blue[i] >> 6;
  2335. }
  2336. dce_v10_0_crtc_load_lut(crtc);
  2337. }
  2338. static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
  2339. {
  2340. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2341. drm_crtc_cleanup(crtc);
  2342. destroy_workqueue(amdgpu_crtc->pflip_queue);
  2343. kfree(amdgpu_crtc);
  2344. }
  2345. static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
  2346. .cursor_set2 = dce_v10_0_crtc_cursor_set2,
  2347. .cursor_move = dce_v10_0_crtc_cursor_move,
  2348. .gamma_set = dce_v10_0_crtc_gamma_set,
  2349. .set_config = amdgpu_crtc_set_config,
  2350. .destroy = dce_v10_0_crtc_destroy,
  2351. .page_flip = amdgpu_crtc_page_flip,
  2352. };
  2353. static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
  2354. {
  2355. struct drm_device *dev = crtc->dev;
  2356. struct amdgpu_device *adev = dev->dev_private;
  2357. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2358. unsigned type;
  2359. switch (mode) {
  2360. case DRM_MODE_DPMS_ON:
  2361. amdgpu_crtc->enabled = true;
  2362. amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
  2363. dce_v10_0_vga_enable(crtc, true);
  2364. amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
  2365. dce_v10_0_vga_enable(crtc, false);
  2366. /* Make sure VBLANK interrupt is still enabled */
  2367. type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
  2368. amdgpu_irq_update(adev, &adev->crtc_irq, type);
  2369. drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id);
  2370. dce_v10_0_crtc_load_lut(crtc);
  2371. break;
  2372. case DRM_MODE_DPMS_STANDBY:
  2373. case DRM_MODE_DPMS_SUSPEND:
  2374. case DRM_MODE_DPMS_OFF:
  2375. drm_vblank_pre_modeset(dev, amdgpu_crtc->crtc_id);
  2376. if (amdgpu_crtc->enabled) {
  2377. dce_v10_0_vga_enable(crtc, true);
  2378. amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
  2379. dce_v10_0_vga_enable(crtc, false);
  2380. }
  2381. amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
  2382. amdgpu_crtc->enabled = false;
  2383. break;
  2384. }
  2385. /* adjust pm to dpms */
  2386. amdgpu_pm_compute_clocks(adev);
  2387. }
  2388. static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
  2389. {
  2390. /* disable crtc pair power gating before programming */
  2391. amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
  2392. amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
  2393. dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
  2394. }
  2395. static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
  2396. {
  2397. dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
  2398. amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
  2399. }
  2400. static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
  2401. {
  2402. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2403. struct drm_device *dev = crtc->dev;
  2404. struct amdgpu_device *adev = dev->dev_private;
  2405. struct amdgpu_atom_ss ss;
  2406. int i;
  2407. dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
  2408. if (crtc->primary->fb) {
  2409. int r;
  2410. struct amdgpu_framebuffer *amdgpu_fb;
  2411. struct amdgpu_bo *rbo;
  2412. amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
  2413. rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
  2414. r = amdgpu_bo_reserve(rbo, false);
  2415. if (unlikely(r))
  2416. DRM_ERROR("failed to reserve rbo before unpin\n");
  2417. else {
  2418. amdgpu_bo_unpin(rbo);
  2419. amdgpu_bo_unreserve(rbo);
  2420. }
  2421. }
  2422. /* disable the GRPH */
  2423. dce_v10_0_grph_enable(crtc, false);
  2424. amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
  2425. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  2426. if (adev->mode_info.crtcs[i] &&
  2427. adev->mode_info.crtcs[i]->enabled &&
  2428. i != amdgpu_crtc->crtc_id &&
  2429. amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
  2430. /* one other crtc is using this pll don't turn
  2431. * off the pll
  2432. */
  2433. goto done;
  2434. }
  2435. }
  2436. switch (amdgpu_crtc->pll_id) {
  2437. case ATOM_PPLL0:
  2438. case ATOM_PPLL1:
  2439. case ATOM_PPLL2:
  2440. /* disable the ppll */
  2441. amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
  2442. 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
  2443. break;
  2444. default:
  2445. break;
  2446. }
  2447. done:
  2448. amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
  2449. amdgpu_crtc->adjusted_clock = 0;
  2450. amdgpu_crtc->encoder = NULL;
  2451. amdgpu_crtc->connector = NULL;
  2452. }
  2453. static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
  2454. struct drm_display_mode *mode,
  2455. struct drm_display_mode *adjusted_mode,
  2456. int x, int y, struct drm_framebuffer *old_fb)
  2457. {
  2458. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2459. if (!amdgpu_crtc->adjusted_clock)
  2460. return -EINVAL;
  2461. amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
  2462. amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
  2463. dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
  2464. amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
  2465. amdgpu_atombios_crtc_scaler_setup(crtc);
  2466. dce_v10_0_cursor_reset(crtc);
  2467. /* update the hw version fpr dpm */
  2468. amdgpu_crtc->hw_mode = *adjusted_mode;
  2469. return 0;
  2470. }
  2471. static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
  2472. const struct drm_display_mode *mode,
  2473. struct drm_display_mode *adjusted_mode)
  2474. {
  2475. struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
  2476. struct drm_device *dev = crtc->dev;
  2477. struct drm_encoder *encoder;
  2478. /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
  2479. list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
  2480. if (encoder->crtc == crtc) {
  2481. amdgpu_crtc->encoder = encoder;
  2482. amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
  2483. break;
  2484. }
  2485. }
  2486. if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
  2487. amdgpu_crtc->encoder = NULL;
  2488. amdgpu_crtc->connector = NULL;
  2489. return false;
  2490. }
  2491. if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
  2492. return false;
  2493. if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
  2494. return false;
  2495. /* pick pll */
  2496. amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
  2497. /* if we can't get a PPLL for a non-DP encoder, fail */
  2498. if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
  2499. !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
  2500. return false;
  2501. return true;
  2502. }
  2503. static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
  2504. struct drm_framebuffer *old_fb)
  2505. {
  2506. return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
  2507. }
  2508. static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
  2509. struct drm_framebuffer *fb,
  2510. int x, int y, enum mode_set_atomic state)
  2511. {
  2512. return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
  2513. }
  2514. static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
  2515. .dpms = dce_v10_0_crtc_dpms,
  2516. .mode_fixup = dce_v10_0_crtc_mode_fixup,
  2517. .mode_set = dce_v10_0_crtc_mode_set,
  2518. .mode_set_base = dce_v10_0_crtc_set_base,
  2519. .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
  2520. .prepare = dce_v10_0_crtc_prepare,
  2521. .commit = dce_v10_0_crtc_commit,
  2522. .load_lut = dce_v10_0_crtc_load_lut,
  2523. .disable = dce_v10_0_crtc_disable,
  2524. };
  2525. static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
  2526. {
  2527. struct amdgpu_crtc *amdgpu_crtc;
  2528. int i;
  2529. amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
  2530. (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
  2531. if (amdgpu_crtc == NULL)
  2532. return -ENOMEM;
  2533. drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
  2534. drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
  2535. amdgpu_crtc->crtc_id = index;
  2536. amdgpu_crtc->pflip_queue = create_singlethread_workqueue("amdgpu-pageflip-queue");
  2537. adev->mode_info.crtcs[index] = amdgpu_crtc;
  2538. amdgpu_crtc->max_cursor_width = 128;
  2539. amdgpu_crtc->max_cursor_height = 128;
  2540. adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
  2541. adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
  2542. for (i = 0; i < 256; i++) {
  2543. amdgpu_crtc->lut_r[i] = i << 2;
  2544. amdgpu_crtc->lut_g[i] = i << 2;
  2545. amdgpu_crtc->lut_b[i] = i << 2;
  2546. }
  2547. switch (amdgpu_crtc->crtc_id) {
  2548. case 0:
  2549. default:
  2550. amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
  2551. break;
  2552. case 1:
  2553. amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
  2554. break;
  2555. case 2:
  2556. amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
  2557. break;
  2558. case 3:
  2559. amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
  2560. break;
  2561. case 4:
  2562. amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
  2563. break;
  2564. case 5:
  2565. amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
  2566. break;
  2567. }
  2568. amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
  2569. amdgpu_crtc->adjusted_clock = 0;
  2570. amdgpu_crtc->encoder = NULL;
  2571. amdgpu_crtc->connector = NULL;
  2572. drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
  2573. return 0;
  2574. }
  2575. static int dce_v10_0_early_init(void *handle)
  2576. {
  2577. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2578. adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
  2579. adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
  2580. dce_v10_0_set_display_funcs(adev);
  2581. dce_v10_0_set_irq_funcs(adev);
  2582. switch (adev->asic_type) {
  2583. case CHIP_FIJI:
  2584. case CHIP_TONGA:
  2585. adev->mode_info.num_crtc = 6; /* XXX 7??? */
  2586. adev->mode_info.num_hpd = 6;
  2587. adev->mode_info.num_dig = 7;
  2588. break;
  2589. default:
  2590. /* FIXME: not supported yet */
  2591. return -EINVAL;
  2592. }
  2593. return 0;
  2594. }
  2595. static int dce_v10_0_sw_init(void *handle)
  2596. {
  2597. int r, i;
  2598. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2599. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  2600. r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
  2601. if (r)
  2602. return r;
  2603. }
  2604. for (i = 8; i < 20; i += 2) {
  2605. r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
  2606. if (r)
  2607. return r;
  2608. }
  2609. /* HPD hotplug */
  2610. r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
  2611. if (r)
  2612. return r;
  2613. adev->mode_info.mode_config_initialized = true;
  2614. adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
  2615. adev->ddev->mode_config.max_width = 16384;
  2616. adev->ddev->mode_config.max_height = 16384;
  2617. adev->ddev->mode_config.preferred_depth = 24;
  2618. adev->ddev->mode_config.prefer_shadow = 1;
  2619. adev->ddev->mode_config.fb_base = adev->mc.aper_base;
  2620. r = amdgpu_modeset_create_props(adev);
  2621. if (r)
  2622. return r;
  2623. adev->ddev->mode_config.max_width = 16384;
  2624. adev->ddev->mode_config.max_height = 16384;
  2625. /* allocate crtcs */
  2626. for (i = 0; i < adev->mode_info.num_crtc; i++) {
  2627. r = dce_v10_0_crtc_init(adev, i);
  2628. if (r)
  2629. return r;
  2630. }
  2631. if (amdgpu_atombios_get_connector_info_from_object_table(adev))
  2632. amdgpu_print_display_setup(adev->ddev);
  2633. else
  2634. return -EINVAL;
  2635. /* setup afmt */
  2636. dce_v10_0_afmt_init(adev);
  2637. r = dce_v10_0_audio_init(adev);
  2638. if (r)
  2639. return r;
  2640. drm_kms_helper_poll_init(adev->ddev);
  2641. return r;
  2642. }
  2643. static int dce_v10_0_sw_fini(void *handle)
  2644. {
  2645. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2646. kfree(adev->mode_info.bios_hardcoded_edid);
  2647. drm_kms_helper_poll_fini(adev->ddev);
  2648. dce_v10_0_audio_fini(adev);
  2649. dce_v10_0_afmt_fini(adev);
  2650. drm_mode_config_cleanup(adev->ddev);
  2651. adev->mode_info.mode_config_initialized = false;
  2652. return 0;
  2653. }
  2654. static int dce_v10_0_hw_init(void *handle)
  2655. {
  2656. int i;
  2657. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2658. dce_v10_0_init_golden_registers(adev);
  2659. /* init dig PHYs, disp eng pll */
  2660. amdgpu_atombios_encoder_init_dig(adev);
  2661. amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
  2662. /* initialize hpd */
  2663. dce_v10_0_hpd_init(adev);
  2664. for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
  2665. dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
  2666. }
  2667. return 0;
  2668. }
  2669. static int dce_v10_0_hw_fini(void *handle)
  2670. {
  2671. int i;
  2672. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2673. dce_v10_0_hpd_fini(adev);
  2674. for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
  2675. dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
  2676. }
  2677. return 0;
  2678. }
  2679. static int dce_v10_0_suspend(void *handle)
  2680. {
  2681. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2682. amdgpu_atombios_scratch_regs_save(adev);
  2683. return dce_v10_0_hw_fini(handle);
  2684. }
  2685. static int dce_v10_0_resume(void *handle)
  2686. {
  2687. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2688. int ret;
  2689. ret = dce_v10_0_hw_init(handle);
  2690. amdgpu_atombios_scratch_regs_restore(adev);
  2691. /* turn on the BL */
  2692. if (adev->mode_info.bl_encoder) {
  2693. u8 bl_level = amdgpu_display_backlight_get_level(adev,
  2694. adev->mode_info.bl_encoder);
  2695. amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
  2696. bl_level);
  2697. }
  2698. return ret;
  2699. }
  2700. static bool dce_v10_0_is_idle(void *handle)
  2701. {
  2702. return true;
  2703. }
  2704. static int dce_v10_0_wait_for_idle(void *handle)
  2705. {
  2706. return 0;
  2707. }
  2708. static void dce_v10_0_print_status(void *handle)
  2709. {
  2710. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2711. dev_info(adev->dev, "DCE 10.x registers\n");
  2712. /* XXX todo */
  2713. }
  2714. static int dce_v10_0_soft_reset(void *handle)
  2715. {
  2716. u32 srbm_soft_reset = 0, tmp;
  2717. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  2718. if (dce_v10_0_is_display_hung(adev))
  2719. srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
  2720. if (srbm_soft_reset) {
  2721. dce_v10_0_print_status((void *)adev);
  2722. tmp = RREG32(mmSRBM_SOFT_RESET);
  2723. tmp |= srbm_soft_reset;
  2724. dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
  2725. WREG32(mmSRBM_SOFT_RESET, tmp);
  2726. tmp = RREG32(mmSRBM_SOFT_RESET);
  2727. udelay(50);
  2728. tmp &= ~srbm_soft_reset;
  2729. WREG32(mmSRBM_SOFT_RESET, tmp);
  2730. tmp = RREG32(mmSRBM_SOFT_RESET);
  2731. /* Wait a little for things to settle down */
  2732. udelay(50);
  2733. dce_v10_0_print_status((void *)adev);
  2734. }
  2735. return 0;
  2736. }
  2737. static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
  2738. int crtc,
  2739. enum amdgpu_interrupt_state state)
  2740. {
  2741. u32 lb_interrupt_mask;
  2742. if (crtc >= adev->mode_info.num_crtc) {
  2743. DRM_DEBUG("invalid crtc %d\n", crtc);
  2744. return;
  2745. }
  2746. switch (state) {
  2747. case AMDGPU_IRQ_STATE_DISABLE:
  2748. lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
  2749. lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
  2750. VBLANK_INTERRUPT_MASK, 0);
  2751. WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
  2752. break;
  2753. case AMDGPU_IRQ_STATE_ENABLE:
  2754. lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
  2755. lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
  2756. VBLANK_INTERRUPT_MASK, 1);
  2757. WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
  2758. break;
  2759. default:
  2760. break;
  2761. }
  2762. }
  2763. static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
  2764. int crtc,
  2765. enum amdgpu_interrupt_state state)
  2766. {
  2767. u32 lb_interrupt_mask;
  2768. if (crtc >= adev->mode_info.num_crtc) {
  2769. DRM_DEBUG("invalid crtc %d\n", crtc);
  2770. return;
  2771. }
  2772. switch (state) {
  2773. case AMDGPU_IRQ_STATE_DISABLE:
  2774. lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
  2775. lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
  2776. VLINE_INTERRUPT_MASK, 0);
  2777. WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
  2778. break;
  2779. case AMDGPU_IRQ_STATE_ENABLE:
  2780. lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
  2781. lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
  2782. VLINE_INTERRUPT_MASK, 1);
  2783. WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
  2784. break;
  2785. default:
  2786. break;
  2787. }
  2788. }
  2789. static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
  2790. struct amdgpu_irq_src *source,
  2791. unsigned hpd,
  2792. enum amdgpu_interrupt_state state)
  2793. {
  2794. u32 tmp;
  2795. if (hpd >= adev->mode_info.num_hpd) {
  2796. DRM_DEBUG("invalid hdp %d\n", hpd);
  2797. return 0;
  2798. }
  2799. switch (state) {
  2800. case AMDGPU_IRQ_STATE_DISABLE:
  2801. tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
  2802. tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
  2803. WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
  2804. break;
  2805. case AMDGPU_IRQ_STATE_ENABLE:
  2806. tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
  2807. tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
  2808. WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
  2809. break;
  2810. default:
  2811. break;
  2812. }
  2813. return 0;
  2814. }
  2815. static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
  2816. struct amdgpu_irq_src *source,
  2817. unsigned type,
  2818. enum amdgpu_interrupt_state state)
  2819. {
  2820. switch (type) {
  2821. case AMDGPU_CRTC_IRQ_VBLANK1:
  2822. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
  2823. break;
  2824. case AMDGPU_CRTC_IRQ_VBLANK2:
  2825. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
  2826. break;
  2827. case AMDGPU_CRTC_IRQ_VBLANK3:
  2828. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
  2829. break;
  2830. case AMDGPU_CRTC_IRQ_VBLANK4:
  2831. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
  2832. break;
  2833. case AMDGPU_CRTC_IRQ_VBLANK5:
  2834. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
  2835. break;
  2836. case AMDGPU_CRTC_IRQ_VBLANK6:
  2837. dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
  2838. break;
  2839. case AMDGPU_CRTC_IRQ_VLINE1:
  2840. dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
  2841. break;
  2842. case AMDGPU_CRTC_IRQ_VLINE2:
  2843. dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
  2844. break;
  2845. case AMDGPU_CRTC_IRQ_VLINE3:
  2846. dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
  2847. break;
  2848. case AMDGPU_CRTC_IRQ_VLINE4:
  2849. dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
  2850. break;
  2851. case AMDGPU_CRTC_IRQ_VLINE5:
  2852. dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
  2853. break;
  2854. case AMDGPU_CRTC_IRQ_VLINE6:
  2855. dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
  2856. break;
  2857. default:
  2858. break;
  2859. }
  2860. return 0;
  2861. }
  2862. static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
  2863. struct amdgpu_irq_src *src,
  2864. unsigned type,
  2865. enum amdgpu_interrupt_state state)
  2866. {
  2867. u32 reg;
  2868. if (type >= adev->mode_info.num_crtc) {
  2869. DRM_ERROR("invalid pageflip crtc %d\n", type);
  2870. return -EINVAL;
  2871. }
  2872. reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
  2873. if (state == AMDGPU_IRQ_STATE_DISABLE)
  2874. WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
  2875. reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
  2876. else
  2877. WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
  2878. reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
  2879. return 0;
  2880. }
  2881. static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
  2882. struct amdgpu_irq_src *source,
  2883. struct amdgpu_iv_entry *entry)
  2884. {
  2885. unsigned long flags;
  2886. unsigned crtc_id;
  2887. struct amdgpu_crtc *amdgpu_crtc;
  2888. struct amdgpu_flip_work *works;
  2889. crtc_id = (entry->src_id - 8) >> 1;
  2890. amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
  2891. if (crtc_id >= adev->mode_info.num_crtc) {
  2892. DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
  2893. return -EINVAL;
  2894. }
  2895. if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
  2896. GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
  2897. WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
  2898. GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
  2899. /* IRQ could occur when in initial stage */
  2900. if (amdgpu_crtc == NULL)
  2901. return 0;
  2902. spin_lock_irqsave(&adev->ddev->event_lock, flags);
  2903. works = amdgpu_crtc->pflip_works;
  2904. if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
  2905. DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
  2906. "AMDGPU_FLIP_SUBMITTED(%d)\n",
  2907. amdgpu_crtc->pflip_status,
  2908. AMDGPU_FLIP_SUBMITTED);
  2909. spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
  2910. return 0;
  2911. }
  2912. /* page flip completed. clean up */
  2913. amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
  2914. amdgpu_crtc->pflip_works = NULL;
  2915. /* wakeup usersapce */
  2916. if (works->event)
  2917. drm_send_vblank_event(adev->ddev, crtc_id, works->event);
  2918. spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
  2919. drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
  2920. amdgpu_irq_put(adev, &adev->pageflip_irq, crtc_id);
  2921. queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work);
  2922. return 0;
  2923. }
  2924. static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
  2925. int hpd)
  2926. {
  2927. u32 tmp;
  2928. if (hpd >= adev->mode_info.num_hpd) {
  2929. DRM_DEBUG("invalid hdp %d\n", hpd);
  2930. return;
  2931. }
  2932. tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
  2933. tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
  2934. WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
  2935. }
  2936. static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
  2937. int crtc)
  2938. {
  2939. u32 tmp;
  2940. if (crtc >= adev->mode_info.num_crtc) {
  2941. DRM_DEBUG("invalid crtc %d\n", crtc);
  2942. return;
  2943. }
  2944. tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
  2945. tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
  2946. WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
  2947. }
  2948. static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
  2949. int crtc)
  2950. {
  2951. u32 tmp;
  2952. if (crtc >= adev->mode_info.num_crtc) {
  2953. DRM_DEBUG("invalid crtc %d\n", crtc);
  2954. return;
  2955. }
  2956. tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
  2957. tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
  2958. WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
  2959. }
  2960. static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
  2961. struct amdgpu_irq_src *source,
  2962. struct amdgpu_iv_entry *entry)
  2963. {
  2964. unsigned crtc = entry->src_id - 1;
  2965. uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
  2966. unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
  2967. switch (entry->src_data) {
  2968. case 0: /* vblank */
  2969. if (disp_int & interrupt_status_offsets[crtc].vblank)
  2970. dce_v10_0_crtc_vblank_int_ack(adev, crtc);
  2971. else
  2972. DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
  2973. if (amdgpu_irq_enabled(adev, source, irq_type)) {
  2974. drm_handle_vblank(adev->ddev, crtc);
  2975. }
  2976. DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
  2977. break;
  2978. case 1: /* vline */
  2979. if (disp_int & interrupt_status_offsets[crtc].vline)
  2980. dce_v10_0_crtc_vline_int_ack(adev, crtc);
  2981. else
  2982. DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
  2983. DRM_DEBUG("IH: D%d vline\n", crtc + 1);
  2984. break;
  2985. default:
  2986. DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
  2987. break;
  2988. }
  2989. return 0;
  2990. }
  2991. static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
  2992. struct amdgpu_irq_src *source,
  2993. struct amdgpu_iv_entry *entry)
  2994. {
  2995. uint32_t disp_int, mask;
  2996. unsigned hpd;
  2997. if (entry->src_data >= adev->mode_info.num_hpd) {
  2998. DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
  2999. return 0;
  3000. }
  3001. hpd = entry->src_data;
  3002. disp_int = RREG32(interrupt_status_offsets[hpd].reg);
  3003. mask = interrupt_status_offsets[hpd].hpd;
  3004. if (disp_int & mask) {
  3005. dce_v10_0_hpd_int_ack(adev, hpd);
  3006. schedule_work(&adev->hotplug_work);
  3007. DRM_DEBUG("IH: HPD%d\n", hpd + 1);
  3008. }
  3009. return 0;
  3010. }
  3011. static int dce_v10_0_set_clockgating_state(void *handle,
  3012. enum amd_clockgating_state state)
  3013. {
  3014. return 0;
  3015. }
  3016. static int dce_v10_0_set_powergating_state(void *handle,
  3017. enum amd_powergating_state state)
  3018. {
  3019. return 0;
  3020. }
  3021. const struct amd_ip_funcs dce_v10_0_ip_funcs = {
  3022. .early_init = dce_v10_0_early_init,
  3023. .late_init = NULL,
  3024. .sw_init = dce_v10_0_sw_init,
  3025. .sw_fini = dce_v10_0_sw_fini,
  3026. .hw_init = dce_v10_0_hw_init,
  3027. .hw_fini = dce_v10_0_hw_fini,
  3028. .suspend = dce_v10_0_suspend,
  3029. .resume = dce_v10_0_resume,
  3030. .is_idle = dce_v10_0_is_idle,
  3031. .wait_for_idle = dce_v10_0_wait_for_idle,
  3032. .soft_reset = dce_v10_0_soft_reset,
  3033. .print_status = dce_v10_0_print_status,
  3034. .set_clockgating_state = dce_v10_0_set_clockgating_state,
  3035. .set_powergating_state = dce_v10_0_set_powergating_state,
  3036. };
  3037. static void
  3038. dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
  3039. struct drm_display_mode *mode,
  3040. struct drm_display_mode *adjusted_mode)
  3041. {
  3042. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  3043. amdgpu_encoder->pixel_clock = adjusted_mode->clock;
  3044. /* need to call this here rather than in prepare() since we need some crtc info */
  3045. amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
  3046. /* set scaler clears this on some chips */
  3047. dce_v10_0_set_interleave(encoder->crtc, mode);
  3048. if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
  3049. dce_v10_0_afmt_enable(encoder, true);
  3050. dce_v10_0_afmt_setmode(encoder, adjusted_mode);
  3051. }
  3052. }
  3053. static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
  3054. {
  3055. struct amdgpu_device *adev = encoder->dev->dev_private;
  3056. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  3057. struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
  3058. if ((amdgpu_encoder->active_device &
  3059. (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
  3060. (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
  3061. ENCODER_OBJECT_ID_NONE)) {
  3062. struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
  3063. if (dig) {
  3064. dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
  3065. if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
  3066. dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
  3067. }
  3068. }
  3069. amdgpu_atombios_scratch_regs_lock(adev, true);
  3070. if (connector) {
  3071. struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
  3072. /* select the clock/data port if it uses a router */
  3073. if (amdgpu_connector->router.cd_valid)
  3074. amdgpu_i2c_router_select_cd_port(amdgpu_connector);
  3075. /* turn eDP panel on for mode set */
  3076. if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
  3077. amdgpu_atombios_encoder_set_edp_panel_power(connector,
  3078. ATOM_TRANSMITTER_ACTION_POWER_ON);
  3079. }
  3080. /* this is needed for the pll/ss setup to work correctly in some cases */
  3081. amdgpu_atombios_encoder_set_crtc_source(encoder);
  3082. /* set up the FMT blocks */
  3083. dce_v10_0_program_fmt(encoder);
  3084. }
  3085. static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
  3086. {
  3087. struct drm_device *dev = encoder->dev;
  3088. struct amdgpu_device *adev = dev->dev_private;
  3089. /* need to call this here as we need the crtc set up */
  3090. amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
  3091. amdgpu_atombios_scratch_regs_lock(adev, false);
  3092. }
  3093. static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
  3094. {
  3095. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  3096. struct amdgpu_encoder_atom_dig *dig;
  3097. amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
  3098. if (amdgpu_atombios_encoder_is_digital(encoder)) {
  3099. if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
  3100. dce_v10_0_afmt_enable(encoder, false);
  3101. dig = amdgpu_encoder->enc_priv;
  3102. dig->dig_encoder = -1;
  3103. }
  3104. amdgpu_encoder->active_device = 0;
  3105. }
  3106. /* these are handled by the primary encoders */
  3107. static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
  3108. {
  3109. }
  3110. static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
  3111. {
  3112. }
  3113. static void
  3114. dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
  3115. struct drm_display_mode *mode,
  3116. struct drm_display_mode *adjusted_mode)
  3117. {
  3118. }
  3119. static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
  3120. {
  3121. }
  3122. static void
  3123. dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
  3124. {
  3125. }
  3126. static bool dce_v10_0_ext_mode_fixup(struct drm_encoder *encoder,
  3127. const struct drm_display_mode *mode,
  3128. struct drm_display_mode *adjusted_mode)
  3129. {
  3130. return true;
  3131. }
  3132. static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
  3133. .dpms = dce_v10_0_ext_dpms,
  3134. .mode_fixup = dce_v10_0_ext_mode_fixup,
  3135. .prepare = dce_v10_0_ext_prepare,
  3136. .mode_set = dce_v10_0_ext_mode_set,
  3137. .commit = dce_v10_0_ext_commit,
  3138. .disable = dce_v10_0_ext_disable,
  3139. /* no detect for TMDS/LVDS yet */
  3140. };
  3141. static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
  3142. .dpms = amdgpu_atombios_encoder_dpms,
  3143. .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
  3144. .prepare = dce_v10_0_encoder_prepare,
  3145. .mode_set = dce_v10_0_encoder_mode_set,
  3146. .commit = dce_v10_0_encoder_commit,
  3147. .disable = dce_v10_0_encoder_disable,
  3148. .detect = amdgpu_atombios_encoder_dig_detect,
  3149. };
  3150. static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
  3151. .dpms = amdgpu_atombios_encoder_dpms,
  3152. .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
  3153. .prepare = dce_v10_0_encoder_prepare,
  3154. .mode_set = dce_v10_0_encoder_mode_set,
  3155. .commit = dce_v10_0_encoder_commit,
  3156. .detect = amdgpu_atombios_encoder_dac_detect,
  3157. };
  3158. static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
  3159. {
  3160. struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
  3161. if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
  3162. amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
  3163. kfree(amdgpu_encoder->enc_priv);
  3164. drm_encoder_cleanup(encoder);
  3165. kfree(amdgpu_encoder);
  3166. }
  3167. static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
  3168. .destroy = dce_v10_0_encoder_destroy,
  3169. };
  3170. static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
  3171. uint32_t encoder_enum,
  3172. uint32_t supported_device,
  3173. u16 caps)
  3174. {
  3175. struct drm_device *dev = adev->ddev;
  3176. struct drm_encoder *encoder;
  3177. struct amdgpu_encoder *amdgpu_encoder;
  3178. /* see if we already added it */
  3179. list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
  3180. amdgpu_encoder = to_amdgpu_encoder(encoder);
  3181. if (amdgpu_encoder->encoder_enum == encoder_enum) {
  3182. amdgpu_encoder->devices |= supported_device;
  3183. return;
  3184. }
  3185. }
  3186. /* add a new one */
  3187. amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
  3188. if (!amdgpu_encoder)
  3189. return;
  3190. encoder = &amdgpu_encoder->base;
  3191. switch (adev->mode_info.num_crtc) {
  3192. case 1:
  3193. encoder->possible_crtcs = 0x1;
  3194. break;
  3195. case 2:
  3196. default:
  3197. encoder->possible_crtcs = 0x3;
  3198. break;
  3199. case 4:
  3200. encoder->possible_crtcs = 0xf;
  3201. break;
  3202. case 6:
  3203. encoder->possible_crtcs = 0x3f;
  3204. break;
  3205. }
  3206. amdgpu_encoder->enc_priv = NULL;
  3207. amdgpu_encoder->encoder_enum = encoder_enum;
  3208. amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
  3209. amdgpu_encoder->devices = supported_device;
  3210. amdgpu_encoder->rmx_type = RMX_OFF;
  3211. amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
  3212. amdgpu_encoder->is_ext_encoder = false;
  3213. amdgpu_encoder->caps = caps;
  3214. switch (amdgpu_encoder->encoder_id) {
  3215. case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
  3216. case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
  3217. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3218. DRM_MODE_ENCODER_DAC);
  3219. drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
  3220. break;
  3221. case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
  3222. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
  3223. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
  3224. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
  3225. case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
  3226. if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
  3227. amdgpu_encoder->rmx_type = RMX_FULL;
  3228. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3229. DRM_MODE_ENCODER_LVDS);
  3230. amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
  3231. } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
  3232. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3233. DRM_MODE_ENCODER_DAC);
  3234. amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
  3235. } else {
  3236. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3237. DRM_MODE_ENCODER_TMDS);
  3238. amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
  3239. }
  3240. drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
  3241. break;
  3242. case ENCODER_OBJECT_ID_SI170B:
  3243. case ENCODER_OBJECT_ID_CH7303:
  3244. case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
  3245. case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
  3246. case ENCODER_OBJECT_ID_TITFP513:
  3247. case ENCODER_OBJECT_ID_VT1623:
  3248. case ENCODER_OBJECT_ID_HDMI_SI1930:
  3249. case ENCODER_OBJECT_ID_TRAVIS:
  3250. case ENCODER_OBJECT_ID_NUTMEG:
  3251. /* these are handled by the primary encoders */
  3252. amdgpu_encoder->is_ext_encoder = true;
  3253. if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
  3254. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3255. DRM_MODE_ENCODER_LVDS);
  3256. else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
  3257. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3258. DRM_MODE_ENCODER_DAC);
  3259. else
  3260. drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
  3261. DRM_MODE_ENCODER_TMDS);
  3262. drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
  3263. break;
  3264. }
  3265. }
  3266. static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
  3267. .set_vga_render_state = &dce_v10_0_set_vga_render_state,
  3268. .bandwidth_update = &dce_v10_0_bandwidth_update,
  3269. .vblank_get_counter = &dce_v10_0_vblank_get_counter,
  3270. .vblank_wait = &dce_v10_0_vblank_wait,
  3271. .is_display_hung = &dce_v10_0_is_display_hung,
  3272. .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
  3273. .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
  3274. .hpd_sense = &dce_v10_0_hpd_sense,
  3275. .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
  3276. .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
  3277. .page_flip = &dce_v10_0_page_flip,
  3278. .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
  3279. .add_encoder = &dce_v10_0_encoder_add,
  3280. .add_connector = &amdgpu_connector_add,
  3281. .stop_mc_access = &dce_v10_0_stop_mc_access,
  3282. .resume_mc_access = &dce_v10_0_resume_mc_access,
  3283. };
  3284. static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
  3285. {
  3286. if (adev->mode_info.funcs == NULL)
  3287. adev->mode_info.funcs = &dce_v10_0_display_funcs;
  3288. }
  3289. static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
  3290. .set = dce_v10_0_set_crtc_irq_state,
  3291. .process = dce_v10_0_crtc_irq,
  3292. };
  3293. static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
  3294. .set = dce_v10_0_set_pageflip_irq_state,
  3295. .process = dce_v10_0_pageflip_irq,
  3296. };
  3297. static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
  3298. .set = dce_v10_0_set_hpd_irq_state,
  3299. .process = dce_v10_0_hpd_irq,
  3300. };
  3301. static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
  3302. {
  3303. adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
  3304. adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
  3305. adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
  3306. adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
  3307. adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
  3308. adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
  3309. }