From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 23 Nov 2015 09:32:37 +0000 (+0100)
Subject: drm/amdgpu: Use unlocked gem unreferencing
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a9906fde57b690c5e606daf8c5994850a5abfc84;p=openwrt%2Fstaging%2Fblogic.git

drm/amdgpu: Use unlocked gem unreferencing

For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with

commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Oct 15 09:36:25 2015 +0200

    drm/gem: Check locking in drm_gem_object_unreference

Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 6fcbbcc2e99e..cfb6caad2a73 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -263,7 +263,7 @@ out_unref:
 
 	}
 	if (fb && ret) {
-		drm_gem_object_unreference(gobj);
+		drm_gem_object_unreference_unlocked(gobj);
 		drm_framebuffer_unregister_private(fb);
 		drm_framebuffer_cleanup(fb);
 		kfree(fb);