drm/i915: avoid full modeset when changing the color range properties

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Automatic color range selection was added in

commit 55bc60db59
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Thu Jan 17 16:31:29 2013 +0200

    drm/i915: Add "Automatic" mode for the "Broadcast RGB" property

but that removed the check to avoid a full modeset if the value is
unchanged. Unfortunately X sets all properties with their current
value at start-up, resulting in some ugly flickering which shouldn't
be there.

v2: Change old_range from bool to uint32_t, spotted by Ville.

v3: Actually git add everything ;-)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

This commit is contained in:

Daniel Vetter 2013-04-22 17:07:23 +02:00

parent e4bfff54ed

commit ae4edb8089

3 changed files with 24 additions and 0 deletions

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8

drivers/gpu/drm/i915/intel_dp.c

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8

drivers/gpu/drm/i915/intel_hdmi.c

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8

drivers/gpu/drm/i915/intel_sdvo.c

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