drm/amdgpu:use smc_index_11 for VI

for VI smc, index_0 to index_8 are all not safe,
they may used by BIOS/FW, and index_11 is reserved
only for driver.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -121,8 +121,8 @@ static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
 	u32 r;
 
 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	WREG32(mmSMC_IND_INDEX_0, (reg));
-	r = RREG32(mmSMC_IND_DATA_0);
+	WREG32(mmSMC_IND_INDEX_11, (reg));
+	r = RREG32(mmSMC_IND_DATA_11);
 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 	return r;
 }
@@ -132,8 +132,8 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 	unsigned long flags;
 
 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
-	WREG32(mmSMC_IND_INDEX_0, (reg));
-	WREG32(mmSMC_IND_DATA_0, (v));
+	WREG32(mmSMC_IND_INDEX_11, (reg));
+	WREG32(mmSMC_IND_DATA_11, (v));
 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 }
 
@@ -437,12 +437,12 @@ static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
 	/* take the smc lock since we are using the smc index */
 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
 	/* set rom index to 0 */
-	WREG32(mmSMC_IND_INDEX_0, ixROM_INDEX);
-	WREG32(mmSMC_IND_DATA_0, 0);
+	WREG32(mmSMC_IND_INDEX_11, ixROM_INDEX);
+	WREG32(mmSMC_IND_DATA_11, 0);
 	/* set index to data for continous read */
-	WREG32(mmSMC_IND_INDEX_0, ixROM_DATA);
+	WREG32(mmSMC_IND_INDEX_11, ixROM_DATA);
 	for (i = 0; i < length_dw; i++)
-		dw_ptr[i] = RREG32(mmSMC_IND_DATA_0);
+		dw_ptr[i] = RREG32(mmSMC_IND_DATA_11);
 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 
 	return true;

drivers/gpu/drm/amd/include/asic_reg/smu/smu_7_1_1_d.h

@@ -176,6 +176,8 @@
 #define mmSMU1_SMU_SMC_IND_DATA                                                 0x83
 #define mmSMU2_SMU_SMC_IND_DATA                                                 0x85
 #define mmSMU3_SMU_SMC_IND_DATA                                                 0x87
+#define mmSMC_IND_INDEX_11														0x1AC
+#define mmSMC_IND_DATA_11														0x1AD
 #define ixRCU_UC_EVENTS                                                         0xc0000004
 #define ixRCU_MISC_CTRL                                                         0xc0000010
 #define ixCC_RCU_FUSES                                                          0xc00c0000

drivers/gpu/drm/amd/include/asic_reg/smu/smu_7_1_2_d.h

@@ -87,6 +87,8 @@
 #define mmSMC_IND_DATA_6                                                        0x8d
 #define mmSMC_IND_INDEX_7                                                       0x8e
 #define mmSMC_IND_DATA_7                                                        0x8f
+#define mmSMC_IND_INDEX_11														0x1AC
+#define mmSMC_IND_DATA_11														0x1AD
 #define mmSMC_IND_ACCESS_CNTL                                                   0x92
 #define mmSMC_MESSAGE_0                                                         0x94
 #define mmSMC_RESP_0                                                            0x95

drivers/gpu/drm/amd/include/asic_reg/smu/smu_7_1_3_d.h

@@ -90,6 +90,8 @@
 #define mmSMC_IND_DATA_6                                                        0x8d
 #define mmSMC_IND_INDEX_7                                                       0x8e
 #define mmSMC_IND_DATA_7                                                        0x8f
+#define mmSMC_IND_INDEX_11														0x1AC
+#define mmSMC_IND_DATA_11														0x1AD
 #define mmSMC_IND_ACCESS_CNTL                                                   0x92
 #define mmSMC_MESSAGE_0                                                         0x94
 #define mmSMC_RESP_0                                                            0x95

drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h

@@ -28,8 +28,6 @@
 #include <pp_endian.h>
 
 #define SMC_RAM_END 0x40000
-#define mmSMC_IND_INDEX_11                              0x01AC
-#define mmSMC_IND_DATA_11                               0x01AD
 
 struct smu7_buffer_entry {
 	uint32_t data_size;