drm/i915: Stop looking at plane->state in intel_prepare_plane_fb()

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Switch over to using explicit old/new planes states instead of
digging the old state out via plane->state. The main issue is that
plane->state will point to the uapi state which we generally don't
even want to look at.

Also it sets a bad example as using plane->state during commit_tail()
would be a bug. Here we're still holding the modeset locks so it's
actually safe, but best not give people bad ideas.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110183228.8199-3-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

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Ville Syrjälä 2020-01-10 20:32:25 +02:00

parent 7d8d2cbce5

commit b2faf66986

1 changed files with 9 additions and 7 deletions

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

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