On 26 November 2014 at 13:20, Tom Stellard <tom@xxxxxxxxxxxx> wrote: > On Wed, Nov 26, 2014 at 01:17:22PM +1000, Dave Airlie wrote: >> From: Dave Airlie <airlied@xxxxxxxxxx> >> >> At least on two MST devices I've tested with, when >> they are link training downstream, they are totally >> unable to handle aux ch msgs, so they defer like nuts. >> I tried 16, it wasn't enough, 32 seems better. >> >> This fixes one Dell 4k monitor and one of the >> MST hubs. >> >> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> >> --- >> drivers/gpu/drm/drm_dp_helper.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c >> index 959e207..db0993f 100644 >> --- a/drivers/gpu/drm/drm_dp_helper.c >> +++ b/drivers/gpu/drm/drm_dp_helper.c >> @@ -189,7 +189,7 @@ static int drm_dp_dpcd_access(struct drm_dp_aux *aux, u8 request, >> * retry native transactions, so retry 7 times like for I2C-over-AUX > > Should this comment be updated too? Yes it should, good catch! Thanks, Dave. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx