drm/radeon: adjust TN dpm parameters for stability (v2)

[Linux-MTD Mailing List]

Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=958b84fb3bef193198538b5c5902fa687cc8363f
Commit:     958b84fb3bef193198538b5c5902fa687cc8363f
Parent:     d5754ab8f9b0f36ab3d6825a3555db48f28145d4
Author:     Alex Deucher <alexander.deucher at amd.com>
AuthorDate: Thu Nov 14 10:17:34 2013 -0500
Committer:  Alex Deucher <alexander.deucher at amd.com>
CommitDate: Fri Nov 15 15:57:30 2013 -0500

    drm/radeon: adjust TN dpm parameters for stability (v2)
    
    Adjust some of the TN dpm settings for stability.  Enabling
    these features causes hangs and other stability problems
    on certain boards.
    
    v2: leave uvd dpm enabled
    
    Bug:
    https://bugzilla.kernel.org/show_bug.cgi?id=63101
    
    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
    Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/trinity_dpm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 9364129..d700698 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1873,9 +1873,9 @@ int trinity_dpm_init(struct radeon_device *rdev)
 	pi->enable_sclk_ds = true;
 	pi->enable_gfx_power_gating = true;
 	pi->enable_gfx_clock_gating = true;
-	pi->enable_mg_clock_gating = true;
-	pi->enable_gfx_dynamic_mgpg = true; /* ??? */
-	pi->override_dynamic_mgpg = true;
+	pi->enable_mg_clock_gating = false;
+	pi->enable_gfx_dynamic_mgpg = false;
+	pi->override_dynamic_mgpg = false;
 	pi->enable_auto_thermal_throttling = true;
 	pi->voltage_drop_in_dce = false; /* need to restructure dpm/modeset interaction */
 	pi->uvd_dpm = true; /* ??? */