[PATCH 21/22] drm/amdgpu: condense mqd programming sequence
Andres Rodriguez
andresx7 at gmail.com
Tue Feb 28 22:14:48 UTC 2017
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 at amd.com>
Signed-off-by: Andres Rodriguez <andresx7 at gmail.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 44 +++++--------------
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 83 +++++------------------------------
2 files changed, 22 insertions(+), 105 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index c76dcc8..a9893fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3108,61 +3108,39 @@ static void gfx_v7_0_mqd_init(struct amdgpu_device *adev,
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;
}
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;
}
static int gfx_v7_0_compute_queue_init(struct amdgpu_device *adev, int ring_id)
{
int r;
u64 mqd_gpu_addr;
struct cik_mqd *mqd;
struct amdgpu_ring *ring = &adev->gfx.compute_ring[ring_id];
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 4fdec23..3593f36 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4918,99 +4918,38 @@ static void gfx_v8_0_enable_doorbell(struct amdgpu_device *adev, bool enable)
tmp = RREG32(mmCP_PQ_STATUS);
tmp = REG_SET_FIELD(tmp, CP_PQ_STATUS, DOORBELL_ENABLE, 1);
WREG32(mmCP_PQ_STATUS, tmp);
adev->gfx.doorbell_enabled = true;
}
int gfx_v8_0_mqd_commit(struct amdgpu_device *adev, struct vi_mqd *mqd)
{
uint32_t tmp;
+ uint32_t mqd_reg;
+ uint32_t *mqd_data;
+
+ /* HQD registers extend from mmCP_MQD_BASE_ADDR to mmCP_HQD_ERROR */
+ 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);
- 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);
-
- /* 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);
-
- /* 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);
+ /* 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]);
- /* 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);
-
- /* activate the queue */
- WREG32(mmCP_HQD_ACTIVE, mqd->cp_hqd_active);
+ /* 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;
}
static int gfx_v8_0_kiq_queue_init(struct amdgpu_ring *ring,
struct vi_mqd *mqd,
u64 mqd_gpu_addr)
{
int r = 0;
struct amdgpu_device *adev = ring->adev;
--
2.7.4
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