projects / platform / kernel / linux-starfive.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 0ff3b23) | patch
drm/i915: Fix readout of PIPEGCMAX
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 3 Mar 2020 17:33:12 +0000 (19:33 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 9 Mar 2020 20:11:36 +0000 (22:11 +0200)
commit62153bdd66f281fcd2318401684a7267d8ecddd9
tree8f510e2d989ad7e49951671f482643062ffd0fb1tree | snapshot
parent0ff3b23f0c9b85df195a97277963b9a834389b50commit | diff
drm/i915: Fix readout of PIPEGCMAX

PIPEGCMAX is a 11.6 (or 1.16 if you will) value. Ie. it can
represent a value of 1.0 when the maximum we can store in the
software LUT is 0.ffff. Clamp the value so that it gets
saturated to the max the uapi supports.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200303173313.28117-9-ville.syrjala@linux.intel.com
Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
drivers/gpu/drm/i915/display/intel_color.c diff | blob | history
drivers/gpu/drm/i915/i915_reg.h diff | blob | history
Domain: System / Kernel;