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(parent: f015c55) | 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)
commit6eb1a6817246f1a67de4d6959a84d09efead5329
treece1f064b3f93c2dd596782739f7351419a9e80eftree | snapshot
parentf015c5518879fb3e578caaa63806617468a24045commit | 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
Domain: System / Kernel;