drm/amdgpu: use allowed_domains for exported DMA-bufs (4993ba02) · Commits · 戴 / test

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:

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@
		#include <linux/file.h>
		#include <linux/pagemap.h>
		#include <linux/sync_file.h>
		#include <linux/dma-buf.h>

		#include <drm/amdgpu_drm.h>
		#include <drm/drm_syncobj.h>
		@@ -415,7 +416,9 @@ 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->tbo.base.dma_buf \|\|
		list_empty(&bo->tbo.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