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drm/amdgpu: add plumbing for ctx priority changes v2

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Introduce amdgpu_ctx_priority_override(). A mechanism to override a
context's priority.

An override can be terminated by setting the override to
AMD_SCHED_PRIORITY_UNSET.

v2: change refcounted interface for a direct set

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andres Rodriguez
2017-06-06 20:20:38 -04:00
committed by Alex Deucher
parent f3d19bf80d
commit c23be4ae1d
2 changed files with 34 additions and 1 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -735,7 +735,9 @@ struct amdgpu_ctx {
spinlock_t ring_lock;
struct dma_fence **fences;
struct amdgpu_ctx_ring rings[AMDGPU_MAX_RINGS];
bool preamble_presented;
bool preamble_presented;
enum amd_sched_priority init_priority;
enum amd_sched_priority override_priority;
};
struct amdgpu_ctx_mgr {
@@ -752,6 +754,8 @@ int amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
struct dma_fence *fence, uint64_t *seq);
struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
struct amdgpu_ring *ring, uint64_t seq);
void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
enum amd_sched_priority priority);
int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp);