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drm/amd/display: Remove a false-positive error message 

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>
hifive-unleashed-5.1
Jerry Zuo 2017-10-06 15:08:07 -04:00 committed by Alex Deucher
parent 3df8fcafb7
commit 9bbc30310f
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -1790,7 +1790,9 @@ static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
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;
}