Commit b8bf623c authored by Eric Anholt's avatar Eric Anholt Committed by popcornmix
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drm/vc4: Add support for scaling of display planes. 



This implements a simple policy for choosing scaling modes
(trapezoidal for decimation, PPF for magnification), and a single PPF
filter (Mitchell/Netravali's recommendation).

Signed-off-by: default avatarEric Anholt <eric@anholt.net>
(cherry picked from commit 21af94cf)
parent 60204fec
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