diff options
| author | Chunming Zhou <david1.zhou@amd.com> | 2015-08-25 15:12:26 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-08-25 10:53:48 -0400 |
| commit | 9066b0c318589f47b754a3def4fe8ec4688dc21a (patch) | |
| tree | f03792a740dc9c9eb87dc9bb50ef9085d8ed6fe7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 3c62338c26bf2677c8285b406cd769b92ee0dc10 (diff) | |
drm/amdgpu: fix no sync_wait in copy_buffer
when eviction is happening, if don't handle
dependency, then the fence could be dead off.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index d7c02e1a309e..4cb81320b045 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1014,13 +1014,19 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, /* for fence and sync */ num_dw += 64 + AMDGPU_NUM_SYNCS * 8; + r = amdgpu_sync_wait(&sync); + if (r) { + DRM_ERROR("sync wait failed (%d).\n", r); + amdgpu_sync_free(adev, &sync, NULL); + return r; + } + r = amdgpu_ring_lock(ring, num_dw); if (r) { DRM_ERROR("ring lock failed (%d).\n", r); amdgpu_sync_free(adev, &sync, NULL); return r; } - amdgpu_sync_rings(&sync, ring); for (i = 0; i < num_loops; i++) { |