From bccef7d4f1e384373634933a62537a865c160aaa Mon Sep 17 00:00:00 2001 From: Lang Yu Date: Thu, 4 Nov 2021 21:11:46 +0800 Subject: [PATCH] drm/amdgpu: find who pinned dma buf A test patch to find who pinned dma buf. Signed-off-by: Lang Yu --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index ae6ab93c868b..ffe75b4d2ec4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -107,6 +107,8 @@ static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach) struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); int r; + __WARN(); + /* pin buffer into GTT */ r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); if (r) -- 2.25.1