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| /openbmc/linux/drivers/media/i2c/ |
| H A D | adv7842.c | ef677df9 Thu May 06 07:06:57 CDT 2021 Hans Verkuil <hverkuil-cisco@xs4all.nl> media: adv7842: support EDIDs up to 4 blocks
The adv7842 driver didn't support EDIDs of 3 or 4 blocks, even though the
hardware supports this.
It is a bit more complicated due to the fact that the adv7842 can expose
two EDIDs: one digital, one analog, for DVI-I connectors. In that case the
VGA_EDID_ENABLE bit is set and blocks 0 and 1 of the EDID eeprom are used
for the DVI-D part and block 2 is used for the DVI-A part of the DVI-I
connector.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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