drm/amdgpu: unreserve the gem BO before returning from attach error

prliangpub · alexdeucher · commit def41146b96a · 2025-05-07T17:44:59.000-04:00
It requires unlocking the reserved gem BO before returning from
attaching the eviction fence error.

Signed-off-by: Prike Liang &lt;Prike.Liang@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -298,6 +298,7 @@ static int amdgpu_gem_object_open(struct drm_gem_object *obj,
 	r = amdgpu_eviction_fence_attach(&fpriv->evf_mgr, abo);
 	if (r) {
 		DRM_DEBUG_DRIVER("Failed to attach eviction fence to BO\n");
+		amdgpu_bo_unreserve(abo);
 		return r;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -298,6 +298,7 @@ static int amdgpu_gem_object_open(struct drm_gem_object *obj,`
`298`	`298`	`r = amdgpu_eviction_fence_attach(&fpriv->evf_mgr, abo);`
`299`	`299`	`if (r) {`
`300`	`300`	`DRM_DEBUG_DRIVER("Failed to attach eviction fence to BO\n");`
	`301`	`+ amdgpu_bo_unreserve(abo);`
`301`	`302`	`return r;`
`302`	`303`	`}`
`303`	`304`