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drm/amdgpu/mes: ring aggregatged doorbell when mes queue is unmapped

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Ring aggregated doorbel to make unmapped queue scheduled in mes firmware.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2020-10-30 11:26:23 +08:00 • committed by Alex Deucher
parent b7320117b3
commit 2d7a1f7183
4 changed files with 137 additions and 34 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View file

@ -725,6 +725,7 @@ int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id,
queue->queue_type = qprops->queue_type;
queue->paging = qprops->paging;
queue->gang = gang;
queue->ring->mqd_ptr = queue->mqd_cpu_ptr;
list_add_tail(&queue->list, &gang->queue_list);
amdgpu_mes_unlock(&adev->mes);
@ -1081,6 +1082,12 @@ void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
kfree(ring);
}
uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev,
enum amdgpu_mes_priority_level prio)
{
return adev->mes.aggregated_doorbells[prio];
}
int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
struct amdgpu_mes_ctx_data *ctx_data)
{

3
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View file

@ -347,6 +347,9 @@ int amdgpu_mes_add_ring(struct amdgpu_device *adev, int gang_id,
void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
struct amdgpu_ring *ring);
uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev,
enum amdgpu_mes_priority_level prio);
int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
struct amdgpu_mes_ctx_data *ctx_data);
void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data);

82
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
View file

@ -8525,14 +8525,45 @@ static u64 gfx_v10_0_ring_get_wptr_gfx(struct amdgpu_ring *ring)
static void gfx_v10_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *wptr_saved;
uint32_t *is_queue_unmap;
uint64_t aggregated_db_index;
uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_GFX].mqd_size;
uint64_t wptr_tmp;
if (ring->use_doorbell) {
/* XXX check if swapping is necessary on BE */
atomic64_set((atomic64_t *)ring->wptr_cpu_addr, ring->wptr);
WDOORBELL64(ring->doorbell_index, ring->wptr);
if (ring->is_mes_queue) {
wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
sizeof(uint32_t));
aggregated_db_index =
amdgpu_mes_get_aggregated_doorbell_index(adev,
AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
wptr_tmp = ring->wptr & ring->buf_mask;
atomic64_set((atomic64_t *)ring->wptr_cpu_addr, wptr_tmp);
*wptr_saved = wptr_tmp;
/* assume doorbell always being used by mes mapped queue */
if (*is_queue_unmap) {
WDOORBELL64(aggregated_db_index, wptr_tmp);
WDOORBELL64(ring->doorbell_index, wptr_tmp);
} else {
WDOORBELL64(ring->doorbell_index, wptr_tmp);
if (*is_queue_unmap)
WDOORBELL64(aggregated_db_index, wptr_tmp);
}
} else {
WREG32_SOC15(GC, 0, mmCP_RB0_WPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(GC, 0, mmCP_RB0_WPTR_HI, upper_32_bits(ring->wptr));
if (ring->use_doorbell) {
/* XXX check if swapping is necessary on BE */
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr);
WDOORBELL64(ring->doorbell_index, ring->wptr);
} else {
WREG32_SOC15(GC, 0, mmCP_RB0_WPTR,
lower_32_bits(ring->wptr));
WREG32_SOC15(GC, 0, mmCP_RB0_WPTR_HI,
upper_32_bits(ring->wptr));
}
}
}
@ -8557,13 +8588,42 @@ static u64 gfx_v10_0_ring_get_wptr_compute(struct amdgpu_ring *ring)
static void gfx_v10_0_ring_set_wptr_compute(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *wptr_saved;
uint32_t *is_queue_unmap;
uint64_t aggregated_db_index;
uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_COMPUTE].mqd_size;
uint64_t wptr_tmp;
/* XXX check if swapping is necessary on BE */
if (ring->use_doorbell) {
atomic64_set((atomic64_t *)ring->wptr_cpu_addr, ring->wptr);
WDOORBELL64(ring->doorbell_index, ring->wptr);
if (ring->is_mes_queue) {
wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
sizeof(uint32_t));
aggregated_db_index =
amdgpu_mes_get_aggregated_doorbell_index(adev,
AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
wptr_tmp = ring->wptr & ring->buf_mask;
atomic64_set((atomic64_t *)ring->wptr_cpu_addr, wptr_tmp);
*wptr_saved = wptr_tmp;
/* assume doorbell always used by mes mapped queue */
if (*is_queue_unmap) {
WDOORBELL64(aggregated_db_index, wptr_tmp);
WDOORBELL64(ring->doorbell_index, wptr_tmp);
} else {
WDOORBELL64(ring->doorbell_index, wptr_tmp);
if (*is_queue_unmap)
WDOORBELL64(aggregated_db_index, wptr_tmp);
}
} else {
BUG(); /* only DOORBELL method supported on gfx10 now */
/* XXX check if swapping is necessary on BE */
if (ring->use_doorbell) {
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr);
WDOORBELL64(ring->doorbell_index, ring->wptr);
} else {
BUG(); /* only DOORBELL method supported on gfx10 now */
}
}
}

79
drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
View file

@ -389,34 +389,67 @@ static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *wptr_saved;
uint32_t *is_queue_unmap;
uint64_t aggregated_db_index;
uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
DRM_DEBUG("Setting write pointer\n");
if (ring->use_doorbell) {
DRM_DEBUG("Using doorbell -- "
"wptr_offs == 0x%08x "
"lower_32_bits(ring->wptr << 2) == 0x%08x "
"upper_32_bits(ring->wptr << 2) == 0x%08x\n",
ring->wptr_offs,
lower_32_bits(ring->wptr << 2),
upper_32_bits(ring->wptr << 2));
/* XXX check if swapping is necessary on BE */
if (ring->is_mes_queue) {
wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
sizeof(uint32_t));
aggregated_db_index =
amdgpu_mes_get_aggregated_doorbell_index(adev,
AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
*wptr_saved = ring->wptr << 2;
if (*is_queue_unmap) {
WDOORBELL64(aggregated_db_index, ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
if (*is_queue_unmap)
WDOORBELL64(aggregated_db_index,
ring->wptr << 2);
}
} else {
DRM_DEBUG("Not using doorbell -- "
"mmSDMA%i_GFX_RB_WPTR == 0x%08x "
"mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
ring->me,
lower_32_bits(ring->wptr << 2),
ring->me,
upper_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR),
lower_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI),
upper_32_bits(ring->wptr << 2));
if (ring->use_doorbell) {
DRM_DEBUG("Using doorbell -- "
"wptr_offs == 0x%08x "
"lower_32_bits(ring->wptr) << 2 == 0x%08x "
"upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
ring->wptr_offs,
lower_32_bits(ring->wptr << 2),
upper_32_bits(ring->wptr << 2));
/* XXX check if swapping is necessary on BE */
atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
ring->wptr << 2);
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
DRM_DEBUG("Not using doorbell -- "
"mmSDMA%i_GFX_RB_WPTR == 0x%08x "
"mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
ring->me,
lower_32_bits(ring->wptr << 2),
ring->me,
upper_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
ring->me, mmSDMA0_GFX_RB_WPTR),
lower_32_bits(ring->wptr << 2));
WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
ring->me, mmSDMA0_GFX_RB_WPTR_HI),
upper_32_bits(ring->wptr << 2));
}
}
}