Hans Verkuil 5a531791ed media: v4l2-tpg: add HDMI Video Guard Band test pattern ... This inserts 4 pixels of the RGB color 0xab55ab at the left hand side of the image. This is only done for 3 or 4 byte RGB pixel formats. The HDMI TMDS encoding of this pixel value equals the Video Guard Band value as defined by HDMI (see section 5.2.2.1 in the HDMI 1.3 Specification) that preceeds the first actual pixel of a video line. If an HDMI receiver doesn't handle this correctly, then it might keep skipping these Video Guard Band patterns and end up with a shorter video line. So this is a nice pattern to test with. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>		2022-06-20 10:30:30 +01:00
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v4l2-tpg.h	media: v4l2-tpg: add HDMI Video Guard Band test pattern	2022-06-20 10:30:30 +01:00