From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 1 Jul 2013 20:04:02 +0000 (-0400)
Subject: drm/radeon/dpm: re-enable state transitions for BTC
X-Git-Tag: firefly_0821_release~176^2~5752^2~22^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4b5c006ef2bd70ca8c06d74694e0e56719f15d91;p=firefly-linux-kernel-4.4.55.git

drm/radeon/dpm: re-enable state transitions for BTC

Was disabled due to stability issues on certain boards
caused by the a bug in the parsing of the atom mc reg tables.
That's fixed now so re-enable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index bab018583417..f072660c7665 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2326,14 +2326,11 @@ int btc_dpm_set_power_state(struct radeon_device *rdev)
 		return ret;
 	}
 
-#if 0
-	/* XXX */
 	ret = rv770_unrestrict_performance_levels_after_switch(rdev);
 	if (ret) {
 		DRM_ERROR("rv770_unrestrict_performance_levels_after_switch failed\n");
 		return ret;
 	}
-#endif
 
 	return 0;
 }