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(parent: ccb871a) | 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)
commit4c19685197834985de5986a4114650aeb086b2c0
treece1f064b3f93c2dd596782739f7351419a9e80eftree | snapshot
parentccb871a578cf6beb661f4ae4454fe5d792dc0dd1commit | 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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