diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 48 |
1 files changed, 9 insertions, 39 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index c94a2257761..5b71c716d83 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -222,15 +222,11 @@ static int radeon_move_blit(struct ttm_buffer_object *bo, { struct radeon_device *rdev; uint64_t old_start, new_start; - struct radeon_fence *fence, *old_fence; - struct radeon_semaphore *sem = NULL; - int r; + struct radeon_fence *fence; + int r, ridx; rdev = radeon_get_rdev(bo->bdev); - r = radeon_fence_create(rdev, &fence, radeon_copy_ring_index(rdev)); - if (unlikely(r)) { - return r; - } + ridx = radeon_copy_ring_index(rdev); old_start = old_mem->start << PAGE_SHIFT; new_start = new_mem->start << PAGE_SHIFT; @@ -243,7 +239,6 @@ static int radeon_move_blit(struct ttm_buffer_object *bo, break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); - radeon_fence_unref(&fence); return -EINVAL; } switch (new_mem->mem_type) { @@ -255,46 +250,23 @@ static int radeon_move_blit(struct ttm_buffer_object *bo, break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); - radeon_fence_unref(&fence); return -EINVAL; } - if (!rdev->ring[radeon_copy_ring_index(rdev)].ready) { + if (!rdev->ring[ridx].ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); - radeon_fence_unref(&fence); return -EINVAL; } BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0); /* sync other rings */ - old_fence = bo->sync_obj; - if (old_fence && old_fence->ring != fence->ring - && !radeon_fence_signaled(old_fence)) { - bool sync_to_ring[RADEON_NUM_RINGS] = { }; - sync_to_ring[old_fence->ring] = true; - - r = radeon_semaphore_create(rdev, &sem); - if (r) { - radeon_fence_unref(&fence); - return r; - } - - r = radeon_semaphore_sync_rings(rdev, sem, - sync_to_ring, fence->ring); - if (r) { - radeon_semaphore_free(rdev, sem, NULL); - radeon_fence_unref(&fence); - return r; - } - } - + fence = bo->sync_obj; r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ - fence); + &fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); - radeon_semaphore_free(rdev, sem, fence); radeon_fence_unref(&fence); return r; } @@ -762,9 +734,7 @@ int radeon_ttm_init(struct radeon_device *rdev) } DRM_INFO("radeon: %uM of GTT memory ready.\n", (unsigned)(rdev->mc.gtt_size / (1024 * 1024))); - if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { - rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; - } + rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; r = radeon_ttm_debugfs_init(rdev); if (r) { @@ -825,9 +795,9 @@ static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_NOPAGE; } rdev = radeon_get_rdev(bo->bdev); - mutex_lock(&rdev->vram_mutex); + down_read(&rdev->pm.mclk_lock); r = ttm_vm_ops->fault(vma, vmf); - mutex_unlock(&rdev->vram_mutex); + up_read(&rdev->pm.mclk_lock); return r; } |