drm/i915: fix for WaDisableDopClockGating:bdw
authorRobert Bragg <robert@sixbynine.org>
Sun, 12 Feb 2017 13:32:52 +0000 (13:32 +0000)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 14 Feb 2017 20:29:28 +0000 (22:29 +0200)
commit9cc19733fd7c83ac0577f2b80121dae3c289351b
tree47d62de3114f3f269a6b5c7991acf5db659ab5e4
parenta937eaf8242a44f402f63a8ed135026bdc2ab0e9
drm/i915: fix for WaDisableDopClockGating:bdw

This workaround for BDW was incomplete as it also requires EUTC clock
gating to be disabled via UCGCTL1.

v2: read modify write UCGTL1 in broadwell_init_clock_gating (Ville)

Signed-off-by: Robert Bragg <robert@sixbynine.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170212133252.20990-1-robert@sixbynine.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/i915/intel_ringbuffer.c