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drm/amdgpu: signal fences directly in amdgpu_fence_process

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Because of the scheduler we need to signal all fences immediately
anyway, so try to avoid the waitqueue overhead.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König
2016-03-14 14:29:46 +01:00
committed by Alex Deucher
parent f09c2be4d4
commit 4a7d74f176
2 changed files with 31 additions and 68 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -392,8 +392,8 @@ struct amdgpu_fence_driver {
struct amdgpu_irq_src *irq_src;
unsigned irq_type;
struct timer_list fallback_timer;
wait_queue_head_t fence_queue;
unsigned num_fences_mask;
spinlock_t lock;
struct fence **fences;
};