[PATCH] Fix hw_i2c option for RV280 and RV350.
Chris Rankin
rankincj at googlemail.com
Sat Aug 11 15:19:00 PDT 2012
Hi,
I've been carrying this fix privately for far too long; without it, I
cannot enable the hardware I2C for either of my Radeons RV280 or RV350.
It does not fix the I2C for my rv100, which remains broken.
The nature of the failure is that the display fails completely:
[ 35.067825] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 230
[ 35.076023] Raw EDID:
[ 35.078315] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 35.084067] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 35.089820] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 35.095574] ff ff ff ff ff ff ff ff ff 00 00 ff ff ff ff ff
[ 35.101328] ff ff 1e 1e ff ff ff ff ff ff ff 6d 6d ff ff ff
[ 35.107080] ff ff ff ff 3e 3e ff ff ff ff ff ff ff 4e 4e ff
[ 35.112833] ff ff ff ff ff ff 9a 9a ff ff ff ff ff ff ff f7
[ 35.118587] f7 ff ff ff ff ff ff ff ff ff ff 02 02 ff ff ff
[ 35.167737] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 142
Signed-off-by: Chris Rankin <rankincj at googlemail.com>
Cheers,
Chris
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