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drm/radeon/dpm: disable gfx PG on PALM 

Gfx PG doesn't seem to work properly when UVD is initialized
on certain PALM boards.  Disable gfx PG for now until we sort
out a proper fix.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-07-11 15:00:14 -04:00
parent c2b4cacfe9
commit 9847b36af4
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/radeon/sumo_dpm.c
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@ -1732,7 +1732,13 @@ int sumo_dpm_init(struct radeon_device *rdev)
pi->enable_sclk_ds = true;
pi->enable_dynamic_m3_arbiter = false;
pi->enable_dynamic_patch_ps = true;
pi->enable_gfx_power_gating = true;
/* Some PALM chips don't seem to properly ungate gfx when UVD is in use;
* for now just disable gfx PG.
*/
if (rdev->family == CHIP_PALM)
pi->enable_gfx_power_gating = false;
else
pi->enable_gfx_power_gating = true;
pi->enable_gfx_clock_gating = true;
pi->enable_mg_clock_gating = true;
pi->enable_auto_thermal_throttling = true;