.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_export = amdgpu_gem_prime_export,
.gem_prime_import = amdgpu_gem_prime_import,
- .gem_prime_pin = amdgpu_gem_prime_pin,
- .gem_prime_unpin = amdgpu_gem_prime_unpin,
.gem_prime_res_obj = amdgpu_gem_prime_res_obj,
.gem_prime_get_sg_table = amdgpu_gem_prime_get_sg_table,
.gem_prime_import_sg_table = amdgpu_gem_prime_import_sg_table,
return &bo->gem_base;
}
-int amdgpu_gem_prime_pin(struct drm_gem_object *obj)
+static int amdgpu_gem_map_attach(struct dma_buf *dma_buf,
+ struct device *target_dev,
+ struct dma_buf_attachment *attach)
{
+ struct drm_gem_object *obj = dma_buf->priv;
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
- long ret = 0;
+ long r;
- ret = amdgpu_bo_reserve(bo, false);
- if (unlikely(ret != 0))
- return ret;
+ r = drm_gem_map_attach(dma_buf, target_dev, attach);
+ if (r)
+ return r;
+
+ r = amdgpu_bo_reserve(bo, false);
+ if (unlikely(r != 0))
+ goto error_detach;
/*
* Wait for all shared fences to complete before we switch to future
* use of exclusive fence on this prime shared bo.
*/
- ret = reservation_object_wait_timeout_rcu(bo->tbo.resv, true, false,
- MAX_SCHEDULE_TIMEOUT);
- if (unlikely(ret < 0)) {
- DRM_DEBUG_PRIME("Fence wait failed: %li\n", ret);
- amdgpu_bo_unreserve(bo);
- return ret;
+ r = reservation_object_wait_timeout_rcu(bo->tbo.resv, true, false,
+ MAX_SCHEDULE_TIMEOUT);
+ if (unlikely(r < 0)) {
+ DRM_DEBUG_PRIME("Fence wait failed: %li\n", r);
+ goto error_unreserve;
}
/* pin buffer into GTT */
- ret = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT, NULL);
- if (likely(ret == 0))
+ r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT, NULL);
+ if (likely(r == 0))
bo->prime_shared_count++;
+error_unreserve:
amdgpu_bo_unreserve(bo);
- return ret;
+
+error_detach:
+ if (r)
+ drm_gem_map_detach(dma_buf, attach);
+ return r;
}
-void amdgpu_gem_prime_unpin(struct drm_gem_object *obj)
+static void amdgpu_gem_map_detach(struct dma_buf *dma_buf,
+ struct dma_buf_attachment *attach)
{
+ struct drm_gem_object *obj = dma_buf->priv;
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
int ret = 0;
ret = amdgpu_bo_reserve(bo, true);
if (unlikely(ret != 0))
- return;
+ goto error;
amdgpu_bo_unpin(bo);
if (bo->prime_shared_count)
bo->prime_shared_count--;
amdgpu_bo_unreserve(bo);
+
+error:
+ drm_gem_map_detach(dma_buf, attach);
}
struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *obj)
}
static const struct dma_buf_ops amdgpu_dmabuf_ops = {
- .attach = drm_gem_map_attach,
- .detach = drm_gem_map_detach,
+ .attach = amdgpu_gem_map_attach,
+ .detach = amdgpu_gem_map_detach,
.map_dma_buf = drm_gem_map_dma_buf,
.unmap_dma_buf = drm_gem_unmap_dma_buf,
.release = drm_gem_dmabuf_release,