Re: [Intel-gfx] [PATCH] drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.

2018-06-08 Thread Clint Taylor
On 06/08/2018 06:31 AM, Imre Deak wrote: Hi Clint, nice debugging! On Thu, Jun 07, 2018 at 04:12:39PM -0700, clinton.a.tay...@intel.com wrote: From: Clint Taylor On GLK NUC platforms the HDMI retiming buffer needs additional disabled time to correctly sync to a faster incoming signal.

Re: [Intel-gfx] [PATCH] drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.

2018-06-08 Thread Imre Deak
Hi Clint, nice debugging! On Thu, Jun 07, 2018 at 04:12:39PM -0700, clinton.a.tay...@intel.com wrote: > From: Clint Taylor > > On GLK NUC platforms the HDMI retiming buffer needs additional disabled > time to correctly sync to a faster incoming signal. > When measured on a scope the highspeed

[Intel-gfx] [PATCH] drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.

2018-06-07 Thread clinton . a . taylor
From: Clint Taylor On GLK NUC platforms the HDMI retiming buffer needs additional disabled time to correctly sync to a faster incoming signal. When measured on a scope the highspeed lines of the HDMI clock turn off for ~400uS during a normal resolution change. The HDMI retimer on the GLK NUC