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Daniele Castagna 1c21aa8f2b drm/rockchip: Fix YUV buffers color rendering
Currently, YUV hardware overlays are converted to RGB using
a color space conversion different than BT.601.

The result is that colors of e.g. NV12 buffers don't match
colors of YUV hardware overlays.

In order to fix this, enable YUV2YUV and set appropriate coefficients
for formats such as NV12 to be displayed correctly.

This commit was tested using modetest, gstreamer and chromeos (hardware
accelerated video playback). Before the commit, tests rendering
with NV12 format resulted in colors not displayed correctly.

Test examples (Tested on RK3399 and RK3288 boards
connected to HDMI monitor):

  $ modetest 39@32:1920x1080@NV12
  $ gst-launch-1.0 videotestrc ! video/x-raw,format=NV12 ! kmssink

Signed-off-by: Daniele Castagna <dcastagna@chromium.org>
[ezequiel: rebase on linux-next and massage commit log]
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190108214659.28794-1-ezequiel@collabora.com
2019-01-10 23:30:24 +01:00
arch arm64 fixes: 2018-11-24 09:42:32 -08:00
block
certs
crypto
Documentation drm/todo: Better defio support in the generic fbdev emulation 2019-01-08 09:03:52 +01:00
drivers drm/rockchip: Fix YUV buffers color rendering 2019-01-10 23:30:24 +01:00
firmware
fs NFS client bugfixes for Linux 4.20 2018-11-25 09:19:58 -08:00
include drm/edid: Add display_info.rgb_quant_range_selectable 2019-01-10 19:01:06 +02:00
init
ipc
kernel
lib XArray updates for 4.20-rc4 2018-11-24 18:44:01 -08:00
LICENSES
mm
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-24 09:19:38 -08:00
samples
scripts drm-misc-next for v4.21: 2018-11-29 10:28:49 +10:00
security
sound Linux 4.20-rc4 2018-11-29 10:34:03 +10:00
tools Power management fixes for 4.20-rc4 2018-11-23 10:52:57 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS MAINTAINERS: change Sparse's maintainer 2018-11-25 09:17:43 -08:00
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: drm: Remove myself as drm-bridge maintainer 2018-12-18 11:42:03 +01:00
Makefile Linux 4.20-rc4 2018-11-25 14:19:31 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.