[PATCH 4.2.y-ckt 061/305] drm/radeon: make rv770_set_sw_state failures non-fatal

[Kamal Mostafa]

4.2.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Alex Deucher <alexander.deucher at amd.com>

commit 4e7697ed79d0c0d5f869c87a6b3ce3d5cd1a07d6 upstream.

On some cards it takes a relatively long time for the change
to take place.  Make a timeout non-fatal.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=76130

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/gpu/drm/radeon/rv770_dpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index b9c7707..d24c58c 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -1418,7 +1418,7 @@ int rv770_resume_smc(struct radeon_device *rdev)
 int rv770_set_sw_state(struct radeon_device *rdev)
 {
 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) != PPSMC_Result_OK)
-		return -EINVAL;
+		DRM_ERROR("rv770_set_sw_state failed\n");
 	return 0;
 }
 
-- 
1.9.1