From: Alex Deucher <alexander.deucher@xxxxxxx> DCE6 requires a non-0 value for lpAuxRequest for the ProcessAuxChannelTransaction command table. Setting lpAuxRequest to 0 is a special case used by AsicInit for setting up the aux pads. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/radeon/atombios_dp.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 191218a..6c62be2 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -63,12 +63,12 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, memset(&args, 0, sizeof(args)); - base = (unsigned char *)rdev->mode_info.atom_context->scratch; + base = (unsigned char *)(rdev->mode_info.atom_context->scratch + 1); memcpy(base, send, send_bytes); - args.v1.lpAuxRequest = 0; - args.v1.lpDataOut = 16; + args.v1.lpAuxRequest = 0 + 4; + args.v1.lpDataOut = 16 + 4; args.v1.ucDataOutLen = 0; args.v1.ucChannelID = chan->rec.i2c_id; args.v1.ucDelay = delay / 10; -- 1.7.7.5 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
