Re: [Intel-gfx] [PATCH] drm/i915: Implement display w/a #1143

2018-01-22 Thread Ville Syrjälä
On Fri, Jan 19, 2018 at 12:07:47PM -0800, Rodrigo Vivi wrote: > On Fri, Jan 19, 2018 at 06:45:49PM +, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > Apparently SKL/KBL need some manual help to get the > > programmed HDMI vswing to stick. Implement the relevant > > workaround (display w/

Re: [Intel-gfx] [PATCH] drm/i915: Implement display w/a #1143

2018-01-19 Thread Runyan, Arthur J
a Cc: intel-gfx@lists.freedesktop.org; Runyan, Arthur J Subject: Re: [Intel-gfx] [PATCH] drm/i915: Implement display w/a #1143 On Fri, Jan 19, 2018 at 06:45:49PM +, Ville Syrjala wrote: > From: Ville Syrjälä > > Apparently SKL/KBL need some manual help to get the > programmed HDM

Re: [Intel-gfx] [PATCH] drm/i915: Implement display w/a #1143

2018-01-19 Thread Rodrigo Vivi
On Fri, Jan 19, 2018 at 06:45:49PM +, Ville Syrjala wrote: > From: Ville Syrjälä > > Apparently SKL/KBL need some manual help to get the > programmed HDMI vswing to stick. Implement the relevant > workaround (display w/a #1143). > > Note that the relevant chicken bits live in a transcoder re

[Intel-gfx] [PATCH] drm/i915: Implement display w/a #1143

2018-01-19 Thread Ville Syrjala
From: Ville Syrjälä Apparently SKL/KBL need some manual help to get the programmed HDMI vswing to stick. Implement the relevant workaround (display w/a #1143). Note that the relevant chicken bits live in a transcoder register even though the bits affect a specific DDI port rather than a specific