Blob Blame History Raw
From: Andres Rodriguez <andresx7@gmail.com>
Date: Fri, 24 Feb 2017 15:28:43 -0500
Subject: drm/amdgpu: condense mqd programming sequence
Git-commit: 894700f3b7e01e87954a94be6508205c7f024386
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

The MQD structure matches the reg layout. Take advantage of this to
simplify HQD programming.

Note that the ACTIVE field still needs to be programmed last.

Suggested-by: Felix Kuehling <Felix.Kuehling@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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c |   44 ++++-------------
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c |   86 +++++-----------------------------
 2 files changed, 24 insertions(+), 106 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3137,47 +3137,25 @@ static void gfx_v7_0_mqd_init(struct amd
 
 int gfx_v7_0_mqd_commit(struct amdgpu_device *adev, struct cik_mqd *mqd)
 {
-	u32 tmp;
+	uint32_t tmp;
+	uint32_t mqd_reg;
+	uint32_t *mqd_data;
+
+	/* HQD registers extend from mmCP_MQD_BASE_ADDR to mmCP_MQD_CONTROL */
+	mqd_data = &mqd->cp_mqd_base_addr_lo;
 
 	/* disable wptr polling */
 	tmp = RREG32(mmCP_PQ_WPTR_POLL_CNTL);
 	tmp = REG_SET_FIELD(tmp, CP_PQ_WPTR_POLL_CNTL, EN, 0);
 	WREG32(mmCP_PQ_WPTR_POLL_CNTL, tmp);
 
-	/* program MQD field to HW */
-	WREG32(mmCP_MQD_BASE_ADDR, mqd->cp_mqd_base_addr_lo);
-	WREG32(mmCP_MQD_BASE_ADDR_HI, mqd->cp_mqd_base_addr_hi);
-	WREG32(mmCP_MQD_CONTROL, mqd->cp_mqd_control);
-	WREG32(mmCP_HQD_PQ_BASE, mqd->cp_hqd_pq_base_lo);
-	WREG32(mmCP_HQD_PQ_BASE_HI, mqd->cp_hqd_pq_base_hi);
-	WREG32(mmCP_HQD_PQ_CONTROL, mqd->cp_hqd_pq_control);
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR, mqd->cp_hqd_pq_wptr_poll_addr_lo);
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR_HI, mqd->cp_hqd_pq_wptr_poll_addr_hi);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR, mqd->cp_hqd_pq_rptr_report_addr_lo);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI, mqd->cp_hqd_pq_rptr_report_addr_hi);
-	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, mqd->cp_hqd_pq_doorbell_control);
-	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);
+	/* program all HQD registers */
+	for (mqd_reg = mmCP_HQD_VMID; mqd_reg <= mmCP_MQD_CONTROL; mqd_reg++)
+		WREG32(mqd_reg, mqd_data[mqd_reg - mmCP_MQD_BASE_ADDR]);
 
 	/* activate the HQD */
-	WREG32(mmCP_HQD_ACTIVE, mqd->cp_hqd_active);
+	for (mqd_reg = mmCP_MQD_BASE_ADDR; mqd_reg <= mmCP_HQD_ACTIVE; mqd_reg++)
+		WREG32(mqd_reg, mqd_data[mqd_reg - mmCP_MQD_BASE_ADDR]);
 
 	return 0;
 }
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4993,82 +4993,22 @@ static int gfx_v8_0_mqd_init(struct amdg
 int gfx_v8_0_mqd_commit(struct amdgpu_device *adev,
 			struct vi_mqd *mqd)
 {
-	/* disable wptr polling */
-	WREG32_FIELD(CP_PQ_WPTR_POLL_CNTL, EN, 0);
-
-	WREG32(mmCP_HQD_EOP_BASE_ADDR, mqd->cp_hqd_eop_base_addr_lo);
-	WREG32(mmCP_HQD_EOP_BASE_ADDR_HI, mqd->cp_hqd_eop_base_addr_hi);
-
-	/* set the EOP size, register value is 2^(EOP_SIZE+1) dwords */
-	WREG32(mmCP_HQD_EOP_CONTROL, mqd->cp_hqd_eop_control);
-
-	/* enable doorbell? */
-	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, mqd->cp_hqd_pq_doorbell_control);
-
-	/* set pq read/write pointers */
-	WREG32(mmCP_HQD_DEQUEUE_REQUEST, mqd->cp_hqd_dequeue_request);
-	WREG32(mmCP_HQD_PQ_RPTR, mqd->cp_hqd_pq_rptr);
-	WREG32(mmCP_HQD_PQ_WPTR, mqd->cp_hqd_pq_wptr);
-
-	/* set the pointer to the MQD */
-	WREG32(mmCP_MQD_BASE_ADDR, mqd->cp_mqd_base_addr_lo);
-	WREG32(mmCP_MQD_BASE_ADDR_HI, mqd->cp_mqd_base_addr_hi);
-
-	/* set MQD vmid to 0 */
-	WREG32(mmCP_MQD_CONTROL, mqd->cp_mqd_control);
-
-	/* set the pointer to the HQD, this is similar CP_RB0_BASE/_HI */
-	WREG32(mmCP_HQD_PQ_BASE, mqd->cp_hqd_pq_base_lo);
-	WREG32(mmCP_HQD_PQ_BASE_HI, mqd->cp_hqd_pq_base_hi);
-
-	/* set up the HQD, this is similar to CP_RB0_CNTL */
-	WREG32(mmCP_HQD_PQ_CONTROL, mqd->cp_hqd_pq_control);
+	uint32_t mqd_reg;
+	uint32_t *mqd_data;
 
-	/* set the wb address whether it's enabled or not */
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR,
-				mqd->cp_hqd_pq_rptr_report_addr_lo);
-	WREG32(mmCP_HQD_PQ_RPTR_REPORT_ADDR_HI,
-				mqd->cp_hqd_pq_rptr_report_addr_hi);
+	/* HQD registers extend from mmCP_MQD_BASE_ADDR to mmCP_HQD_ERROR */
+	mqd_data = &mqd->cp_mqd_base_addr_lo;
 
-	/* only used if CP_PQ_WPTR_POLL_CNTL.CP_PQ_WPTR_POLL_CNTL__EN_MASK=1 */
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR, mqd->cp_hqd_pq_wptr_poll_addr_lo);
-	WREG32(mmCP_HQD_PQ_WPTR_POLL_ADDR_HI, mqd->cp_hqd_pq_wptr_poll_addr_hi);
-
-	/* enable the doorbell if requested */
-	WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, mqd->cp_hqd_pq_doorbell_control);
-
-	/* 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);
-
-	WREG32(mmCP_HQD_PERSISTENT_STATE, mqd->cp_hqd_persistent_state);
+	/* disable wptr polling */
+	WREG32_FIELD(CP_PQ_WPTR_POLL_CNTL, EN, 0);
 
-	/* activate the queue */
-	WREG32(mmCP_HQD_ACTIVE, mqd->cp_hqd_active);
+	/* program all HQD registers */
+	for (mqd_reg = mmCP_HQD_VMID; mqd_reg <= mmCP_HQD_ERROR; mqd_reg++)
+		WREG32(mqd_reg, mqd_data[mqd_reg - mmCP_MQD_BASE_ADDR]);
+
+	/* activate the HQD */
+	for (mqd_reg = mmCP_MQD_BASE_ADDR; mqd_reg <= mmCP_HQD_ACTIVE; mqd_reg++)
+		WREG32(mqd_reg, mqd_data[mqd_reg - mmCP_MQD_BASE_ADDR]);
 
 	return 0;
 }