[PATCH] drm/amdgpu: avoid drm error log during S3 on RHEL7.3

[jimqu]

Change-Id: I04dc3d2749d162367a6745ea0e618c4d7d3cae8d
Signed-off-by: JimQu <Jim.Qu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index cf03f9f..7182812 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -530,7 +530,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 		r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
 					   &duplicates);
 		if (unlikely(r != 0)) {
-			DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
+			if (r != -ERESTARTSYS)
+				DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
 			goto error_free_pages;
 		}
 
-- 
1.9.1