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drm/amdgpu: use scheduler load balancing for compute CS 

Start to use the scheduler load balancing for userspace compute
command submissions.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-07-16 14:59:26 +02:00 committed by Alex Deucher
parent 845e6fdf3b
commit 72a4c072ca
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
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@ -49,7 +49,8 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
struct amdgpu_ctx *ctx)
{
struct drm_sched_rq *sdma_rqs[AMDGPU_MAX_RINGS];
unsigned i, j, num_sdma_rqs;
struct drm_sched_rq *comp_rqs[AMDGPU_MAX_RINGS];
unsigned i, j, num_sdma_rqs, num_comp_rqs;
int r;
if (priority < 0 || priority >= DRM_SCHED_PRIORITY_MAX)
@ -82,6 +83,7 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
ctx->override_priority = DRM_SCHED_PRIORITY_UNSET;
num_sdma_rqs = 0;
num_comp_rqs = 0;
for (i = 0; i < adev->num_rings; i++) {
struct amdgpu_ring *ring = adev->rings[i];
struct drm_sched_rq *rq;
@ -89,6 +91,8 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
rq = &ring->sched.sched_rq[priority];
if (ring->funcs->type == AMDGPU_RING_TYPE_SDMA)
sdma_rqs[num_sdma_rqs++] = rq;
else if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE)
comp_rqs[num_comp_rqs++] = rq;
}
/* create context entity for each ring */
@ -102,6 +106,10 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
r = drm_sched_entity_init(&ctx->rings[i].entity,
sdma_rqs, num_sdma_rqs,
&ctx->guilty);
} else if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
r = drm_sched_entity_init(&ctx->rings[i].entity,
comp_rqs, num_comp_rqs,
&ctx->guilty);
} else {
struct drm_sched_rq *rq;