diff options
| author | Christian König <christian.koenig@amd.com> | 2018-03-21 13:58:05 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-21 15:04:03 -0500 |
| commit | 2333bf9ad960eb78a3ce5de6943c2b725e50e69b (patch) | |
| tree | baa7269f14688fa5eeae8b807c4c36ae033ae16c /drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | |
| parent | 3296c4ae9769cab837799c0f873a1b281f4a156e (diff) | |
| download | lwn-2333bf9ad960eb78a3ce5de6943c2b725e50e69b.tar.gz lwn-2333bf9ad960eb78a3ce5de6943c2b725e50e69b.zip | |
drm/amdgpu: fix "mitigate workaround for i915"
Mixed up exporter and importer here. E.g. while mapping the BO we need
to check the importer not the exporter.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105633
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c index 1c9991738477..4b584cb75bf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c @@ -132,6 +132,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf, { struct drm_gem_object *obj = dma_buf->priv; struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); long r; r = drm_gem_map_attach(dma_buf, target_dev, attach); @@ -143,7 +144,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf, goto error_detach; - if (dma_buf->ops != &amdgpu_dmabuf_ops) { + if (attach->dev->driver != adev->dev->driver) { /* * Wait for all shared fences to complete before we switch to future * use of exclusive fence on this prime shared bo. @@ -162,7 +163,7 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf, if (r) goto error_unreserve; - if (dma_buf->ops != &amdgpu_dmabuf_ops) + if (attach->dev->driver != adev->dev->driver) bo->prime_shared_count++; error_unreserve: @@ -179,6 +180,7 @@ static void amdgpu_gem_map_detach(struct dma_buf *dma_buf, { struct drm_gem_object *obj = dma_buf->priv; struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int ret = 0; ret = amdgpu_bo_reserve(bo, true); @@ -186,7 +188,7 @@ static void amdgpu_gem_map_detach(struct dma_buf *dma_buf, goto error; amdgpu_bo_unpin(bo); - if (dma_buf->ops != &amdgpu_dmabuf_ops && bo->prime_shared_count) + if (attach->dev->driver != adev->dev->driver && bo->prime_shared_count) bo->prime_shared_count--; amdgpu_bo_unreserve(bo); |