diff mbox series

[4/6] drm/amdgpu: use allowed_domains for exported DMA-bufs

Message ID 20190607125039.2240-4-christian.koenig@amd.com (mailing list archive)
State New, archived
Headers show
Series [1/6] dma-buf: add dynamic DMA-buf handling v9 | expand

Commit Message

Christian König June 7, 2019, 12:50 p.m. UTC 
Avoid that we ping/pong the buffers when we stop to pin DMA-buf
exports by using the allowed domains for exported buffers.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 3e2da24cd17a..a59780654335 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -26,6 +26,7 @@ 
  */
 #include <linux/pagemap.h>
 #include <linux/sync_file.h>
+#include <linux/dma-buf.h>
 #include <drm/drmP.h>
 #include <drm/amdgpu_drm.h>
 #include <drm/drm_syncobj.h>
@@ -412,7 +413,9 @@  static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
 	/* Don't move this buffer if we have depleted our allowance
 	 * to move it. Don't move anything if the threshold is zero.
 	 */
-	if (p->bytes_moved < p->bytes_moved_threshold) {
+	if (p->bytes_moved < p->bytes_moved_threshold &&
+	    (!bo->gem_base.dma_buf ||
+	    list_empty(&bo->gem_base.dma_buf->attachments))) {
 		if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
 		    (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)) {
 			/* And don't move a CPU_ACCESS_REQUIRED BO to limited