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 --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d0e221c8d940..d6223e41e358 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