drm/i915: Populate gamma_mode for all platforms

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On pre-HSW gamma mode is configured via PIPECONF. The bits are
the same except shifted up, so we can reuse just store them in
crtc_state->gamma_mode in the HSW+ way, allowing us to share
some code later.

v2: Allow fastboot with gamma_mode changes (Maarten)
    Add space around the '<<' in the reg macro
    Deal with HAS_GMCH

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207202146.26423-2-ville.syrjala@linux.intel.com

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This commit is contained in:

Ville Syrjälä 2019-02-07 22:21:40 +02:00

parent 23ec9f52e5

commit 9d5441de28

3 changed files with 66 additions and 18 deletions

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10

drivers/gpu/drm/i915/i915_reg.h

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60

drivers/gpu/drm/i915/intel_color.c

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14

drivers/gpu/drm/i915/intel_display.c

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