drm/i915: Optimize out redundant M/N updates

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Don't perform a seamless M/N update if the values aren't actually
changing. This avoids doing extra shenanigans during vblank evasion
needlessly.

Cc: Manasi Navare <navaremanasi@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901130440.2085-7-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <navaremanasi@chromium.org>

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Ville Syrjälä 2023-09-01 16:04:34 +03:00

parent 825edc8bc7

commit b4ac591b8e

1 changed files with 3 additions and 1 deletions

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drivers/gpu/drm/i915/display/intel_display.c

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