diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 1c6131489a85..3bef0432cac2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -823,15 +823,14 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev, { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; - int r; - int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); enum dma_data_direction direction = write ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; + int r; /* Allocate an SG array and squash pages into it */ r = sg_alloc_table_from_pages(ttm->sg, ttm->pages, ttm->num_pages, 0, - ttm->num_pages << PAGE_SHIFT, + (u64)ttm->num_pages << PAGE_SHIFT, GFP_KERNEL); if (r) goto release_sg; @@ -861,13 +860,12 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_device *bdev, { struct amdgpu_device *adev = amdgpu_ttm_adev(bdev); struct amdgpu_ttm_tt *gtt = (void *)ttm; - int write = !(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY); enum dma_data_direction direction = write ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; /* double check that we don't free the table twice */ - if (!ttm->sg->sgl) + if (!ttm->sg || !ttm->sg->sgl) return; /* unmap the pages mapped to the device */ @@ -1087,13 +1085,13 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, struct amdgpu_ttm_tt *gtt = (void *)ttm; int r; - if (!gtt->bound) - return; - /* if the pages have userptr pinning then clear that first */ if (gtt->userptr) amdgpu_ttm_tt_unpin_userptr(bdev, ttm); + if (!gtt->bound) + return; + if (gtt->offset == AMDGPU_BO_INVALID_OFFSET) return; @@ -1503,7 +1501,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, memcpy(buf, &value, bytes); } } else { - bytes = cursor.size & 0x3ull; + bytes = cursor.size & ~0x3ULL; amdgpu_device_vram_access(adev, cursor.start, (uint32_t *)buf, bytes, write); |