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authorZhenyu Wang <[email protected]>2019-04-16 16:50:34 +0800
committerZhenyu Wang <[email protected]>2019-04-16 16:50:34 +0800
commit95d002e0a34cb0f238abb39987f9980f325d8332 (patch)
treeb8ed70572a55b4e67410f906159f86e8aabb0f6a /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parentd57b39e3ee3cdb4b00452090e386d197980cefc9 (diff)
parent28d618e9ab86f26a31af0b235ced55beb3e343c8 (diff)
Merge tag 'drm-intel-next-2019-04-04' into gvt-next
Merge back drm-intel-next for engine name definition refinement and 54939ea0bd85 ("drm/i915: Switch to use HWS indices rather than addresses") that would need gvt fixes to depend on. Signed-off-by: Zhenyu Wang <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c91
1 files changed, 38 insertions, 53 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index cf768acb51dc..ec9e45004bff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -81,7 +81,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
amdgpu_bo_subtract_pin_size(bo);
if (bo->kfd_bo)
- amdgpu_amdkfd_unreserve_system_memory_limit(bo);
+ amdgpu_amdkfd_unreserve_memory_limit(bo);
amdgpu_bo_kunmap(bo);
@@ -426,12 +426,20 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
size_t acc_size;
int r;
- page_align = roundup(bp->byte_align, PAGE_SIZE) >> PAGE_SHIFT;
- if (bp->domain & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS |
- AMDGPU_GEM_DOMAIN_OA))
+ /* Note that GDS/GWS/OA allocates 1 page per byte/resource. */
+ if (bp->domain & (AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
+ /* GWS and OA don't need any alignment. */
+ page_align = bp->byte_align;
size <<= PAGE_SHIFT;
- else
+ } else if (bp->domain & AMDGPU_GEM_DOMAIN_GDS) {
+ /* Both size and alignment must be a multiple of 4. */
+ page_align = ALIGN(bp->byte_align, 4);
+ size = ALIGN(size, 4) << PAGE_SHIFT;
+ } else {
+ /* Memory should be aligned at least to a page size. */
+ page_align = ALIGN(bp->byte_align, PAGE_SIZE) >> PAGE_SHIFT;
size = ALIGN(size, PAGE_SIZE);
+ }
if (!amdgpu_bo_validate_size(adev, size, bp->domain))
return -ENOMEM;
@@ -608,53 +616,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
}
/**
- * amdgpu_bo_backup_to_shadow - Backs up an &amdgpu_bo buffer object
- * @adev: amdgpu device object
- * @ring: amdgpu_ring for the engine handling the buffer operations
- * @bo: &amdgpu_bo buffer to be backed up
- * @resv: reservation object with embedded fence
- * @fence: dma_fence associated with the operation
- * @direct: whether to submit the job directly
- *
- * Copies an &amdgpu_bo buffer object to its shadow object.
- * Not used for now.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
- struct amdgpu_ring *ring,
- struct amdgpu_bo *bo,
- struct reservation_object *resv,
- struct dma_fence **fence,
- bool direct)
-
-{
- struct amdgpu_bo *shadow = bo->shadow;
- uint64_t bo_addr, shadow_addr;
- int r;
-
- if (!shadow)
- return -EINVAL;
-
- bo_addr = amdgpu_bo_gpu_offset(bo);
- shadow_addr = amdgpu_bo_gpu_offset(bo->shadow);
-
- r = reservation_object_reserve_shared(bo->tbo.resv, 1);
- if (r)
- goto err;
-
- r = amdgpu_copy_buffer(ring, bo_addr, shadow_addr,
- amdgpu_bo_size(bo), resv, fence,
- direct, false);
- if (!r)
- amdgpu_bo_fence(bo, *fence, true);
-
-err:
- return r;
-}
-
-/**
* amdgpu_bo_validate - validate an &amdgpu_bo buffer object
* @bo: pointer to the buffer object
*
@@ -959,7 +920,7 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
struct ttm_operation_ctx ctx = { false, false };
int r, i;
- if (!bo->pin_count) {
+ if (WARN_ON_ONCE(!bo->pin_count)) {
dev_warn(adev->dev, "%p unpin not necessary\n", bo);
return 0;
}
@@ -1324,6 +1285,30 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
}
/**
+ * amdgpu_sync_wait_resv - Wait for BO reservation fences
+ *
+ * @bo: buffer object
+ * @owner: fence owner
+ * @intr: Whether the wait is interruptible
+ *
+ * Returns:
+ * 0 on success, errno otherwise.
+ */
+int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr)
+{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct amdgpu_sync sync;
+ int r;
+
+ amdgpu_sync_create(&sync);
+ amdgpu_sync_resv(adev, &sync, bo->tbo.resv, owner, false);
+ r = amdgpu_sync_wait(&sync, intr);
+ amdgpu_sync_free(&sync);
+
+ return r;
+}
+
+/**
* amdgpu_bo_gpu_offset - return GPU offset of bo
* @bo: amdgpu object for which we query the offset
*