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authorChristian Hewitt <christianshewitt@gmail.com>2021-08-06 11:40:05 +0200
committerNeil Armstrong <narmstrong@baylibre.com>2021-08-10 10:00:02 +0200
commitbf33677a3c394bb8fddd48d3bbc97adf0262e045 (patch)
treeec01950f8e41e52f0ded4195a0fbb9a32174067c /Documentation/driver-api
parentdrm/vmwgfx: Fix a 64bit regression on svga3 (diff)
downloadlinux-bf33677a3c394bb8fddd48d3bbc97adf0262e045.tar.xz
linux-bf33677a3c394bb8fddd48d3bbc97adf0262e045.zip
drm/meson: fix colour distortion from HDR set during vendor u-boot
Add support for the OSD1 HDR registers so meson DRM can handle the HDR properties set by Amlogic u-boot on G12A and newer devices which result in blue/green/pink colour distortion to display output. This takes the original patch submissions from Mathias [0] and [1] with corrections for formatting and the missing description and attribution needed for merge. [0] https://lore.kernel.org/linux-amlogic/59dfd7e6-fc91-3d61-04c4-94e078a3188c@baylibre.com/T/ [1] https://lore.kernel.org/linux-amlogic/CAOKfEHBx_fboUqkENEMd-OC-NSrf46nto+vDLgvgttzPe99kXg@mail.gmail.com/T/#u Fixes: 728883948b0d ("drm/meson: Add G12A Support for VIU setup") Suggested-by: Mathias Steiger <mathias.steiger@googlemail.com> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Tested-by: Neil Armstrong <narmstrong@baylibre.com> Tested-by: Philip Milev <milev.philip@gmail.com> [narmsrong: adding missing space on second tested-by tag] Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210806094005.7136-1-christianshewitt@gmail.com
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