Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-15 Thread Ville Syrjälä
On Tue, Nov 14, 2017 at 06:38:11PM -0500, neil k wrote: > I tested the patch from Ville Syrjälä's email and it works fine on top of > 4.14 for me. Thanks for confirming. Patch pushed to drm-misc-fixes. > > Thanks, > Neil > > On Thu, Nov 9, 2017 at 1:16 PM, Eric Anholt wrote: > > > Daniel Vet

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-15 Thread neil k
I tested the patch from Ville Syrjälä's email and it works fine on top of 4.14 for me. Thanks, Neil On Thu, Nov 9, 2017 at 1:16 PM, Eric Anholt wrote: > Daniel Vetter writes: > > > On Wed, Nov 08, 2017 at 02:21:08PM -0800, Eric Anholt wrote: > >> Ville Syrjälä writes: > >> > >> > On Wed, Nov

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-09 Thread Eric Anholt
Daniel Vetter writes: > On Wed, Nov 08, 2017 at 02:21:08PM -0800, Eric Anholt wrote: >> Ville Syrjälä writes: >> >> > On Wed, Nov 08, 2017 at 12:17:28PM -0800, Eric Anholt wrote: >> >> Ville Syrjala writes: >> >> >> >> > From: Ville Syrjälä >> >> > >> >> > Apparently some sinks look at the Y

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-09 Thread Daniel Vetter
On Wed, Nov 08, 2017 at 02:21:08PM -0800, Eric Anholt wrote: > Ville Syrjälä writes: > > > On Wed, Nov 08, 2017 at 12:17:28PM -0800, Eric Anholt wrote: > >> Ville Syrjala writes: > >> > >> > From: Ville Syrjälä > >> > > >> > Apparently some sinks look at the YQ bits even when receiving RGB, >

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-08 Thread Eric Anholt
Ville Syrjälä writes: > On Wed, Nov 08, 2017 at 12:17:28PM -0800, Eric Anholt wrote: >> Ville Syrjala writes: >> >> > From: Ville Syrjälä >> > >> > Apparently some sinks look at the YQ bits even when receiving RGB, >> > and they get somehow confused when they see a non-zero YQ value. >> > So w

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-08 Thread Ville Syrjälä
On Wed, Nov 08, 2017 at 12:17:28PM -0800, Eric Anholt wrote: > Ville Syrjala writes: > > > From: Ville Syrjälä > > > > Apparently some sinks look at the YQ bits even when receiving RGB, > > and they get somehow confused when they see a non-zero YQ value. > > So we can't just blindly follow CEA-8

Re: [PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-08 Thread Eric Anholt
Ville Syrjala writes: > From: Ville Syrjälä > > Apparently some sinks look at the YQ bits even when receiving RGB, > and they get somehow confused when they see a non-zero YQ value. > So we can't just blindly follow CEA-861-F and set YQ to match the > RGB range. > > Unfortunately there is no goo

[PATCH] drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks

2017-11-08 Thread Ville Syrjala
From: Ville Syrjälä Apparently some sinks look at the YQ bits even when receiving RGB, and they get somehow confused when they see a non-zero YQ value. So we can't just blindly follow CEA-861-F and set YQ to match the RGB range. Unfortunately there is no good way to tell whether the sink designe