diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index e42175e1acf1..47e0b48dc26f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -40,6 +40,7 @@ #include <linux/dma-buf.h> #include <linux/dma-fence-array.h> #include <linux/pci-p2pdma.h> +#include <linux/pm_runtime.h> /** * amdgpu_gem_prime_mmap - &drm_driver.gem_prime_mmap implementation @@ -151,9 +152,13 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, if (attach->dev->driver == adev->dev->driver) return 0; + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) + goto out; + r = amdgpu_bo_reserve(bo, false); if (unlikely(r != 0)) - return r; + goto out; /* * We only create shared fences for internal use, but importers @@ -165,11 +170,15 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, */ r = __dma_resv_make_exclusive(bo->tbo.base.resv); if (r) - return r; + goto out; bo->prime_shared_count++; amdgpu_bo_unreserve(bo); return 0; + +out: + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; } /** @@ -189,6 +198,9 @@ static void amdgpu_dma_buf_detach(struct dma_buf *dmabuf, if (attach->dev->driver != adev->dev->driver && bo->prime_shared_count) bo->prime_shared_count--; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); } /** @@ -269,7 +281,7 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach, case TTM_PL_TT: sgt = drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages, - bo->tbo.num_pages); + bo->tbo.ttm->num_pages); if (IS_ERR(sgt)) return sgt; |