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drm/i915: Optimize out redundant M/N updates
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 1 Sep 2023 13:04:34 +0000 (16:04 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 20 Sep 2023 19:29:43 +0000 (22:29 +0300)
commitb4ac591b8e1be78c4eaf089e75034760c0be942c
tree0e620b61d1380d8949fdb90b950b3af21a494398tree | snapshot
parent825edc8bc72f3266534a04e9a4447b12332fac82commit | diff
drm/i915: Optimize out redundant M/N updates

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>
drivers/gpu/drm/i915/display/intel_display.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git