Maxime Ripard <maxime.ripard@xxxxxxxxxxx> writes: > The vc4 HVS uses an internal RGB888 representation of the frames, and will > by default expand formats using a lower depth using zeros. > > This causes an issue when we try to use other compositing software such as > pixman that fill the missing bits by repeating the higher significant bits. > As such, we can't check the display output in a reliable way by doing a > software composition and an hardware one and compare both. > > To prevent this, force the same behaviour so that we can do such things. Pushed to drm-misc-next. Thanks!
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