drm/amdgpu: unify MQD programming sequence for kfd and amdgpu v2

Use the same gfx_*_mqd_commit function for kfd and amdgpu codepaths.

This removes the last duplicates of this programming sequence.

v2: fix cp_hqd_pq_wptr value

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c

@@ -29,6 +29,7 @@
 #include "cikd.h"
 #include "cik_sdma.h"
 #include "amdgpu_ucode.h"
+#include "gfx_v7_0.h"
 #include "gca/gfx_7_2_d.h"
 #include "gca/gfx_7_2_enum.h"
 #include "gca/gfx_7_2_sh_mask.h"
@@ -309,55 +310,11 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
 	m = get_mqd(mqd);
 
 	is_wptr_shadow_valid = !get_user(wptr_shadow, wptr);
-
-	acquire_queue(kgd, pipe_id, queue_id);
-	WREG32(mmCP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
-	WREG32(mmCP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
-	WREG32(mmCP_MQD_CONTROL, m->cp_mqd_control);
-
-	WREG32(mmCP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
-	WREG32(mmCP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
-	WREG32(mmCP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
-
-	WREG32(mmCP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
-	WREG32(mmCP_HQD_IB_BASE_ADDR, m->cp_hqd_ib_base_addr_lo);
-	WREG32(mmCP_HQD_IB_BASE_ADDR_HI, m->cp_hqd_ib_base_addr_hi);
-
-	WREG32(mmCP_HQD_IB_RPTR, m->cp_hqd_ib_rptr);
-
-	WREG32(mmCP_HQD_PERSISTENT_STATE, m->cp_hqd_persistent_state);
-	WREG32(mmCP_HQD_SEMA_CMD, m->cp_hqd_sema_cmd);
-	WREG32(mmCP_HQD_MSG_TYPE, m->cp_hqd_msg_type);
-
-	WREG32(mmCP_HQD_ATOMIC0_PREOP_LO, m->cp_hqd_atomic0_preop_lo);
-	WREG32(mmCP_HQD_ATOMIC0_PREOP_HI, m->cp_hqd_atomic0_preop_hi);
-	WREG32(mmCP_HQD_ATOMIC1_PREOP_LO, m->cp_hqd_atomic1_preop_lo);
-	WREG32(mmCP_HQD_ATOMIC1_PREOP_HI, m->cp_hqd_atomic1_preop_hi);
-
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR, m->cp_hqd_pq_rptr_report_addr_lo);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
-			m->cp_hqd_pq_rptr_report_addr_hi);
-
-	WREG32(mmCP_HQD_PQ_RPTR, m->cp_hqd_pq_rptr);
-
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR, m->cp_hqd_pq_wptr_poll_addr_lo);
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR_HI, m->cp_hqd_pq_wptr_poll_addr_hi);
-
-	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, m->cp_hqd_pq_doorbell_control);
-
-	WREG32(mmCP_HQD_VMID, m->cp_hqd_vmid);
-
-	WREG32(mmCP_HQD_QUANTUM, m->cp_hqd_quantum);
-
-	WREG32(mmCP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
-	WREG32(mmCP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
-
-	WREG32(mmCP_HQD_IQ_RPTR, m->cp_hqd_iq_rptr);
-
 	if (is_wptr_shadow_valid)
-		WREG32(mmCP_HQD_PQ_WPTR, wptr_shadow);
+		m->cp_hqd_pq_wptr = wptr_shadow;
 
-	WREG32(mmCP_HQD_ACTIVE, m->cp_hqd_active);
+	acquire_queue(kgd, pipe_id, queue_id);
+	gfx_v7_0_mqd_commit(adev, m);
 	release_queue(kgd);
 
 	return 0;

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c

@@ -28,6 +28,7 @@
 #include "amdgpu.h"
 #include "amdgpu_amdkfd.h"
 #include "amdgpu_ucode.h"
+#include "gfx_v8_0.h"
 #include "gca/gfx_8_0_sh_mask.h"
 #include "gca/gfx_8_0_d.h"
 #include "gca/gfx_8_0_enum.h"
@@ -251,53 +252,11 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
 	m = get_mqd(mqd);
 
 	valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr));
-	acquire_queue(kgd, pipe_id, queue_id);
-
-	WREG32(mmCP_MQD_CONTROL, m->cp_mqd_control);
-	WREG32(mmCP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
-	WREG32(mmCP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
-
-	WREG32(mmCP_HQD_VMID, m->cp_hqd_vmid);
-	WREG32(mmCP_HQD_PERSISTENT_STATE, m->cp_hqd_persistent_state);
-	WREG32(mmCP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
-	WREG32(mmCP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
-	WREG32(mmCP_HQD_QUANTUM, m->cp_hqd_quantum);
-	WREG32(mmCP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
-	WREG32(mmCP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR, m->cp_hqd_pq_rptr_report_addr_lo);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
-			m->cp_hqd_pq_rptr_report_addr_hi);
-
 	if (valid_wptr > 0)
-		WREG32(mmCP_HQD_PQ_WPTR, shadow_wptr);
-
-	WREG32(mmCP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
-	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, m->cp_hqd_pq_doorbell_control);
-
-	WREG32(mmCP_HQD_EOP_BASE_ADDR, m->cp_hqd_eop_base_addr_lo);
-	WREG32(mmCP_HQD_EOP_BASE_ADDR_HI, m->cp_hqd_eop_base_addr_hi);
-	WREG32(mmCP_HQD_EOP_CONTROL, m->cp_hqd_eop_control);
-	WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
-	WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
-	WREG32(mmCP_HQD_EOP_EVENTS, m->cp_hqd_eop_done_events);
-
-	WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_LO, m->cp_hqd_ctx_save_base_addr_lo);
-	WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_HI, m->cp_hqd_ctx_save_base_addr_hi);
-	WREG32(mmCP_HQD_CTX_SAVE_CONTROL, m->cp_hqd_ctx_save_control);
-	WREG32(mmCP_HQD_CNTL_STACK_OFFSET, m->cp_hqd_cntl_stack_offset);
-	WREG32(mmCP_HQD_CNTL_STACK_SIZE, m->cp_hqd_cntl_stack_size);
-	WREG32(mmCP_HQD_WG_STATE_OFFSET, m->cp_hqd_wg_state_offset);
-	WREG32(mmCP_HQD_CTX_SAVE_SIZE, m->cp_hqd_ctx_save_size);
-
-	WREG32(mmCP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
-
-	WREG32(mmCP_HQD_DEQUEUE_REQUEST, m->cp_hqd_dequeue_request);
-	WREG32(mmCP_HQD_ERROR, m->cp_hqd_error);
-	WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
-	WREG32(mmCP_HQD_EOP_DONES, m->cp_hqd_eop_dones);
-
-	WREG32(mmCP_HQD_ACTIVE, m->cp_hqd_active);
+		m->cp_hqd_pq_wptr = shadow_wptr;
 
+	acquire_queue(kgd, pipe_id, queue_id);
+	gfx_v8_0_mqd_commit(adev, mqd);
 	release_queue(kgd);
 
 	return 0;

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -3067,12 +3067,29 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev,
 	/* set the vmid for the queue */
 	mqd->cp_hqd_vmid = 0;
 
+	/* defaults */
+	mqd->cp_hqd_ib_control = RREG32(mmCP_HQD_IB_CONTROL);
+	mqd->cp_hqd_ib_base_addr_lo = RREG32(mmCP_HQD_IB_BASE_ADDR);
+	mqd->cp_hqd_ib_base_addr_hi = RREG32(mmCP_HQD_IB_BASE_ADDR_HI);
+	mqd->cp_hqd_ib_rptr = RREG32(mmCP_HQD_IB_RPTR);
+	mqd->cp_hqd_persistent_state = RREG32(mmCP_HQD_PERSISTENT_STATE);
+	mqd->cp_hqd_sema_cmd = RREG32(mmCP_HQD_SEMA_CMD);
+	mqd->cp_hqd_msg_type = RREG32(mmCP_HQD_MSG_TYPE);
+	mqd->cp_hqd_atomic0_preop_lo = RREG32(mmCP_HQD_ATOMIC0_PREOP_LO);
+	mqd->cp_hqd_atomic0_preop_hi = RREG32(mmCP_HQD_ATOMIC0_PREOP_HI);
+	mqd->cp_hqd_atomic1_preop_lo = RREG32(mmCP_HQD_ATOMIC1_PREOP_LO);
+	mqd->cp_hqd_atomic1_preop_hi = RREG32(mmCP_HQD_ATOMIC1_PREOP_HI);
+	mqd->cp_hqd_pq_rptr = RREG32(mmCP_HQD_PQ_RPTR);
+	mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
+	mqd->cp_hqd_pipe_priority = RREG32(mmCP_HQD_PIPE_PRIORITY);
+	mqd->cp_hqd_queue_priority = RREG32(mmCP_HQD_QUEUE_PRIORITY);
+	mqd->cp_hqd_iq_rptr = RREG32(mmCP_HQD_IQ_RPTR);
+
 	/* activate the queue */
 	mqd->cp_hqd_active = 1;
 }
 
-static int gfx_v7_0_mqd_commit(struct amdgpu_device *adev,
-			       struct cik_mqd *mqd)
+int gfx_v7_0_mqd_commit(struct amdgpu_device *adev, struct cik_mqd *mqd)
 {
 	u32 tmp;
 
@@ -3096,6 +3113,23 @@ static int gfx_v7_0_mqd_commit(struct amdgpu_device *adev,
 	WREG32(mmCP_HQD_PQ_WPTR, mqd->cp_hqd_pq_wptr);
 	WREG32(mmCP_HQD_VMID, mqd->cp_hqd_vmid);
 
+	WREG32(mmCP_HQD_IB_CONTROL, mqd->cp_hqd_ib_control);
+	WREG32(mmCP_HQD_IB_BASE_ADDR, mqd->cp_hqd_ib_base_addr_lo);
+	WREG32(mmCP_HQD_IB_BASE_ADDR_HI, mqd->cp_hqd_ib_base_addr_hi);
+	WREG32(mmCP_HQD_IB_RPTR, mqd->cp_hqd_ib_rptr);
+	WREG32(mmCP_HQD_PERSISTENT_STATE, mqd->cp_hqd_persistent_state);
+	WREG32(mmCP_HQD_SEMA_CMD, mqd->cp_hqd_sema_cmd);
+	WREG32(mmCP_HQD_MSG_TYPE, mqd->cp_hqd_msg_type);
+	WREG32(mmCP_HQD_ATOMIC0_PREOP_LO, mqd->cp_hqd_atomic0_preop_lo);
+	WREG32(mmCP_HQD_ATOMIC0_PREOP_HI, mqd->cp_hqd_atomic0_preop_hi);
+	WREG32(mmCP_HQD_ATOMIC1_PREOP_LO, mqd->cp_hqd_atomic1_preop_lo);
+	WREG32(mmCP_HQD_ATOMIC1_PREOP_HI, mqd->cp_hqd_atomic1_preop_hi);
+	WREG32(mmCP_HQD_PQ_RPTR, mqd->cp_hqd_pq_rptr);
+	WREG32(mmCP_HQD_QUANTUM, mqd->cp_hqd_quantum);
+	WREG32(mmCP_HQD_PIPE_PRIORITY, mqd->cp_hqd_pipe_priority);
+	WREG32(mmCP_HQD_QUEUE_PRIORITY, mqd->cp_hqd_queue_priority);
+	WREG32(mmCP_HQD_IQ_RPTR, mqd->cp_hqd_iq_rptr);
+
 	/* activate the HQD */
 	WREG32(mmCP_HQD_ACTIVE, mqd->cp_hqd_active);
 

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h

@@ -29,4 +29,9 @@ extern const struct amdgpu_ip_block_version gfx_v7_1_ip_block;
 extern const struct amdgpu_ip_block_version gfx_v7_2_ip_block;
 extern const struct amdgpu_ip_block_version gfx_v7_3_ip_block;
 
+struct amdgpu_device;
+struct cik_mqd;
+
+int gfx_v7_0_mqd_commit(struct amdgpu_device *adev, struct cik_mqd *mqd);
+
 #endif

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -4913,17 +4913,32 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring)
 	tmp = REG_SET_FIELD(tmp, CP_HQD_CTX_SAVE_CONTROL, MTYPE, 3);
 	mqd->cp_hqd_ctx_save_control = tmp;
 
+	/* defaults */
+	mqd->cp_hqd_eop_rptr = RREG32(mmCP_HQD_EOP_RPTR);
+	mqd->cp_hqd_eop_wptr = RREG32(mmCP_HQD_EOP_WPTR);
+	mqd->cp_hqd_pipe_priority = RREG32(mmCP_HQD_PIPE_PRIORITY);
+	mqd->cp_hqd_queue_priority = RREG32(mmCP_HQD_QUEUE_PRIORITY);
+	mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM);
+	mqd->cp_hqd_ctx_save_base_addr_lo = RREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_LO);
+	mqd->cp_hqd_ctx_save_base_addr_hi = RREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_HI);
+	mqd->cp_hqd_cntl_stack_offset = RREG32(mmCP_HQD_CNTL_STACK_OFFSET);
+	mqd->cp_hqd_cntl_stack_size = RREG32(mmCP_HQD_CNTL_STACK_SIZE);
+	mqd->cp_hqd_wg_state_offset = RREG32(mmCP_HQD_WG_STATE_OFFSET);
+	mqd->cp_hqd_ctx_save_size = RREG32(mmCP_HQD_CTX_SAVE_SIZE);
+	mqd->cp_hqd_eop_done_events = RREG32(mmCP_HQD_EOP_EVENTS);
+	mqd->cp_hqd_error = RREG32(mmCP_HQD_ERROR);
+	mqd->cp_hqd_eop_wptr_mem = RREG32(mmCP_HQD_EOP_WPTR_MEM);
+	mqd->cp_hqd_eop_dones = RREG32(mmCP_HQD_EOP_DONES);
+
 	/* activate the queue */
 	mqd->cp_hqd_active = 1;
 
 	return 0;
 }
 
-static int gfx_v8_0_mqd_commit(struct amdgpu_ring *ring)
+int gfx_v8_0_mqd_commit(struct amdgpu_device *adev,
+			struct vi_mqd *mqd)
 {
-	struct amdgpu_device *adev = ring->adev;
-	struct vi_mqd *mqd = ring->mqd_ptr;
-
 	/* disable wptr polling */
 	WREG32_FIELD(CP_PQ_WPTR_POLL_CNTL, EN, 0);
 
@@ -4970,6 +4985,28 @@ static int gfx_v8_0_mqd_commit(struct amdgpu_ring *ring)
 
 	/* reset read and write pointers, similar to CP_RB0_WPTR/_RPTR */
 	WREG32(mmCP_HQD_PQ_WPTR, mqd->cp_hqd_pq_wptr);
+	WREG32(mmCP_HQD_EOP_RPTR, mqd->cp_hqd_eop_rptr);
+	WREG32(mmCP_HQD_EOP_WPTR, mqd->cp_hqd_eop_wptr);
+
+	/* set the HQD priority */
+	WREG32(mmCP_HQD_PIPE_PRIORITY, mqd->cp_hqd_pipe_priority);
+	WREG32(mmCP_HQD_QUEUE_PRIORITY, mqd->cp_hqd_queue_priority);
+	WREG32(mmCP_HQD_QUANTUM, mqd->cp_hqd_quantum);
+
+	/* set cwsr save area */
+	WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_LO, mqd->cp_hqd_ctx_save_base_addr_lo);
+	WREG32(mmCP_HQD_CTX_SAVE_BASE_ADDR_HI, mqd->cp_hqd_ctx_save_base_addr_hi);
+	WREG32(mmCP_HQD_CTX_SAVE_CONTROL, mqd->cp_hqd_ctx_save_control);
+	WREG32(mmCP_HQD_CNTL_STACK_OFFSET, mqd->cp_hqd_cntl_stack_offset);
+	WREG32(mmCP_HQD_CNTL_STACK_SIZE, mqd->cp_hqd_cntl_stack_size);
+	WREG32(mmCP_HQD_WG_STATE_OFFSET, mqd->cp_hqd_wg_state_offset);
+	WREG32(mmCP_HQD_CTX_SAVE_SIZE, mqd->cp_hqd_ctx_save_size);
+
+	WREG32(mmCP_HQD_IB_CONTROL, mqd->cp_hqd_ib_control);
+	WREG32(mmCP_HQD_EOP_EVENTS, mqd->cp_hqd_eop_done_events);
+	WREG32(mmCP_HQD_ERROR, mqd->cp_hqd_error);
+	WREG32(mmCP_HQD_EOP_WPTR_MEM, mqd->cp_hqd_eop_wptr_mem);
+	WREG32(mmCP_HQD_EOP_DONES, mqd->cp_hqd_eop_dones);
 
 	/* set the vmid for the queue */
 	WREG32(mmCP_HQD_VMID, mqd->cp_hqd_vmid);
@@ -5006,7 +5043,7 @@ static int gfx_v8_0_kiq_init_queue(struct amdgpu_ring *ring)
 			dev_err(adev->dev, "failed to deactivate ring %s\n", ring->name);
 			goto out_unlock;
 		}
-		gfx_v8_0_mqd_commit(ring);
+		gfx_v8_0_mqd_commit(adev, mqd);
 		vi_srbm_select(adev, 0, 0, 0, 0);
 		mutex_unlock(&adev->srbm_mutex);
 	} else {
@@ -5018,7 +5055,7 @@ static int gfx_v8_0_kiq_init_queue(struct amdgpu_ring *ring)
 			dev_err(adev->dev, "failed to deactivate ring %s\n", ring->name);
 			goto out_unlock;
 		}
-		gfx_v8_0_mqd_commit(ring);
+		gfx_v8_0_mqd_commit(adev, mqd);
 		vi_srbm_select(adev, 0, 0, 0, 0);
 		mutex_unlock(&adev->srbm_mutex);
 

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h

@@ -27,4 +27,9 @@
 extern const struct amdgpu_ip_block_version gfx_v8_0_ip_block;
 extern const struct amdgpu_ip_block_version gfx_v8_1_ip_block;
 
+struct amdgpu_device;
+struct vi_mqd;
+
+int gfx_v8_0_mqd_commit(struct amdgpu_device *adev, struct vi_mqd *mqd);
+
 #endif