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drm/amdgpu: Switch to interruptable wait to recover from ring hang.

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v2:
Use dma_fence_wait instead of dma_fence_wait_timeout(...,MAX_SCHEDULE_TIMEOUT)
Avoid printing error message for ERESTARTSYS

Originally-by: David Panariti <David.Panariti@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2018-04-30 10:04:42 -04:00 committed by Alex Deucher
parent da291320ba
commit e6a5b9f9ae
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
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@ -419,9 +419,11 @@ int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id)
if (other) {
signed long r;
r = dma_fence_wait_timeout(other, false, MAX_SCHEDULE_TIMEOUT);
r = dma_fence_wait(other, true);
if (r < 0) {
DRM_ERROR("Error (%ld) waiting for fence!\n", r);
if (r != -ERESTARTSYS)
DRM_ERROR("Error (%ld) waiting for fence!\n", r);
return r;
}
}