diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 94a6c42f29ea..1d05eb64b885 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -61,12 +61,24 @@ static int amdgpu_ctx_priority_permit(struct drm_file *filp, return -EACCES; } +static enum gfx_pipe_priority amdgpu_ctx_sched_prio_to_compute_prio(enum drm_sched_priority prio) +{ + switch (prio) { + case DRM_SCHED_PRIORITY_HIGH_HW: + case DRM_SCHED_PRIORITY_KERNEL: + return AMDGPU_GFX_PIPE_PRIO_HIGH; + default: + return AMDGPU_GFX_PIPE_PRIO_NORMAL; + } +} + static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const u32 ring) { struct amdgpu_device *adev = ctx->adev; struct amdgpu_ctx_entity *entity; struct drm_gpu_scheduler **scheds = NULL, *sched = NULL; unsigned num_scheds = 0; + enum gfx_pipe_priority hw_prio; enum drm_sched_priority priority; int r; @@ -85,8 +97,9 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const num_scheds = 1; break; case AMDGPU_HW_IP_COMPUTE: - scheds = adev->gfx.compute_sched; - num_scheds = adev->gfx.num_compute_sched; + hw_prio = amdgpu_ctx_sched_prio_to_compute_prio(priority); + scheds = adev->gfx.compute_prio_sched[hw_prio]; + num_scheds = adev->gfx.num_compute_sched[hw_prio]; break; case AMDGPU_HW_IP_DMA: scheds = adev->sdma.sdma_sched; @@ -628,20 +641,46 @@ void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr) mutex_destroy(&mgr->lock); } + +static void amdgpu_ctx_init_compute_sched(struct amdgpu_device *adev) +{ + int num_compute_sched_normal = 0; + int num_compute_sched_high = AMDGPU_MAX_COMPUTE_RINGS - 1; + int i; + + /* use one drm sched array, gfx.compute_sched to store both high and + * normal priority drm compute schedulers */ + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + if (!adev->gfx.compute_ring[i].has_high_prio) + adev->gfx.compute_sched[num_compute_sched_normal++] = + &adev->gfx.compute_ring[i].sched; + else + adev->gfx.compute_sched[num_compute_sched_high--] = + &adev->gfx.compute_ring[i].sched; + } + + /* compute ring only has two priority for now */ + i = AMDGPU_GFX_PIPE_PRIO_NORMAL; + adev->gfx.compute_prio_sched[i] = &adev->gfx.compute_sched[0]; + adev->gfx.num_compute_sched[i] = num_compute_sched_normal; + + i = AMDGPU_GFX_PIPE_PRIO_HIGH; + adev->gfx.compute_prio_sched[i] = + &adev->gfx.compute_sched[num_compute_sched_high - 1]; + adev->gfx.num_compute_sched[i] = + adev->gfx.num_compute_rings - num_compute_sched_normal; +} + void amdgpu_ctx_init_sched(struct amdgpu_device *adev) { int i, j; + amdgpu_ctx_init_compute_sched(adev); for (i = 0; i < adev->gfx.num_gfx_rings; i++) { adev->gfx.gfx_sched[i] = &adev->gfx.gfx_ring[i].sched; adev->gfx.num_gfx_sched++; } - for (i = 0; i < adev->gfx.num_compute_rings; i++) { - adev->gfx.compute_sched[i] = &adev->gfx.compute_ring[i].sched; - adev->gfx.num_compute_sched++; - } - for (i = 0; i < adev->sdma.num_instances; i++) { adev->sdma.sdma_sched[i] = &adev->sdma.instance[i].ring.sched; adev->sdma.num_sdma_sched++; |