From: Jerry Zuo <Jerry.Zuo@amd.com>
Date: Fri, 6 Oct 2017 15:08:07 -0400
Subject: drm/amd/display: Remove a false-positive error message
Git-commit: 9bbc30310f240c9400e31c7ab7b7edd2b76b3589
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
To avoid confusion, need to suppress the error message when get
-ERESTARTSYS error code. It is normal when getting interrupted
by signals in the process of a wait for the buffer to become
unreserved. Only propagate to user-mode for further action,
no need to pop up error message.
Signed-off-by: Jerry Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1790,7 +1790,9 @@ static int get_fb_info(const struct amdg
int r = amdgpu_bo_reserve(rbo, false);
if (unlikely(r)) {
- DRM_ERROR("Unable to reserve buffer\n");
+ // Don't show error msg. when return -ERESTARTSYS
+ if (r != -ERESTARTSYS)
+ DRM_ERROR("Unable to reserve buffer: %d\n", r);
return r;
}