drm/radeon: make rv770_set_sw_state failures non-fatal

alexdeucher · alexdeucher · commit 4e7697ed79d0 · 2015-11-24T12:48:15.000-05:00
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@amd.com> Cc: stable@vger.kernel.org
diff --git 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;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1418,7 +1418,7 @@ int rv770_resume_smc(struct radeon_device *rdev)`
`1418`	`1418`	`int rv770_set_sw_state(struct radeon_device *rdev)`
`1419`	`1419`	`{`
`1420`	`1420`	`if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) != PPSMC_Result_OK)`
`1421`		`- return -EINVAL;`
	`1421`	`+ DRM_ERROR("rv770_set_sw_state failed\n");`
`1422`	`1422`	`return 0;`
`1423`	`1423`	`}`
`1424`	`1424`