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(parent: 34c347a) | patch
drm/i915: Read wm values from hardware at init on CHV
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 24 Jun 2015 19:00:03 +0000 (22:00 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 29 Jun 2015 08:55:05 +0000 (10:55 +0200)
commit82be42d75cbdd525e568d462543520a59c5540f8
treece1f064b3f93c2dd596782739f7351419a9e80eftree | snapshot
parent34c347aec9c71e9b992a0a0acf939537fda8bd03commit | diff
drm/i915: Read wm values from hardware at init on CHV

Read out the current watermark settings from the hardware at driver init
time. This will allow us to compare the newly calculated values against
the currrent ones and potentially avoid needless WM updates.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.h diff | blob | history
drivers/gpu/drm/i915/intel_display.c diff | blob | history
drivers/gpu/drm/i915/intel_drv.h diff | blob | history
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
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