Re: [PATCH] drm/bridge: ti-sn65dsi86: Add retries for link training

2020-10-16 Thread Sam Ravnborg
Hi Douglas. On Fri, Oct 02, 2020 at 02:03:51PM -0700, Douglas Anderson wrote: > On some panels hooked up to the ti-sn65dsi86 bridge chip we found that > link training was failing. Specifically, we'd see: > > ti_sn65dsi86 2-002d: [drm:ti_sn_bridge_enable] *ERROR* Link training > failed, link i

RE: [PATCH] drm/bridge: ti-sn65dsi86: Add retries for link training

2020-10-05 Thread Steev Klimaszewski
  From: Douglas AndersonSent: Friday, October 2, 2020 4:04 PMTo: Andrzej Hajda; Neil Armstrong; Sam RavnborgCc: Rob Clark; Bjorn Andersson; Steev Klimaszewski; Douglas Anderson; Daniel Vetter; David Airlie; Jernej Skrabec; Jonas Karlman; Laurent Pinchart; dri-devel@lists.freedesktop.org; linux-ker.

Re: [PATCH] drm/bridge: ti-sn65dsi86: Add retries for link training

2020-10-05 Thread Steev Klimaszewski
On 10/2/20 4:03 PM, Douglas Anderson wrote: > On some panels hooked up to the ti-sn65dsi86 bridge chip we found that > link training was failing. Specifically, we'd see: > > ti_sn65dsi86 2-002d: [drm:ti_sn_bridge_enable] *ERROR* Link training > failed, link is off (-5) > > The panel was hooked