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drm/stm: ltdc: add clut mode support
authorPhilippe CORNU <philippe.cornu@st.com>
Thu, 26 Oct 2017 11:17:46 +0000 (13:17 +0200)
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>
Tue, 9 Jan 2018 12:40:51 +0000 (13:40 +0100)
commitb706a25eaed083a54afd113db86ee9747cc2f28b
treeb0d9047804c6b1aa14da17251beaecc7a9972aa8tree | snapshot
parentc4712f27be5159819a735d7d294103040cf60477commit | diff
drm/stm: ltdc: add clut mode support

Add the 8-bit clut mode support at crtc level.
Useful for low memory footprint user interfaces but also for
8-bit old games (including color shifting visual effects).
Tested with fbdev FBIOPUTCMAP & drm DRM_IOCTL_MODE_SETGAMMA
ioctls.

Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1509016666-18927-1-git-send-email-philippe.cornu@st.com
drivers/gpu/drm/stm/ltdc.c diff | blob | history
Domain: System / Kernel;