[Intel-gfx] [PATCH] drm/edid: Fix DDC probe for passive DP dongles

2015-05-22 Thread Todd Previte
On 5/21/2015 1:28 AM, Jani Nikula wrote: > On Thu, 21 May 2015, Todd Previte wrote: >> Passive DP->DVI/HDMI dongles show up to the system as HDMI devices, as they >> do not have a sink device in them to respond to any AUX traffic. When >> probing these dongles over the DDC, sometimes they will N

[Intel-gfx] [PATCH] drm/edid: Fix DDC probe for passive DP dongles

2015-05-21 Thread Daniel Vetter
On Thu, May 21, 2015 at 11:28:48AM +0300, Jani Nikula wrote: > On Thu, 21 May 2015, Todd Previte wrote: > > Passive DP->DVI/HDMI dongles show up to the system as HDMI devices, as they > > do not have a sink device in them to respond to any AUX traffic. When > > probing these dongles over the DDC,

[Intel-gfx] [PATCH] drm/edid: Fix DDC probe for passive DP dongles

2015-05-21 Thread Jani Nikula
On Thu, 21 May 2015, Todd Previte wrote: > Passive DP->DVI/HDMI dongles show up to the system as HDMI devices, as they > do not have a sink device in them to respond to any AUX traffic. When > probing these dongles over the DDC, sometimes they will NAK the first attempt > even though the transacti