Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-28 Thread Guang Bai
On Fri, 28 Sep 2018 09:26:48 +0300 Jani Nikula wrote: > On Thu, 27 Sep 2018, Guang Bai wrote: > > On Thu, 27 Sep 2018 09:45:53 +0300 > > Jani Nikula wrote: > > > >> On Wed, 26 Sep 2018, Guang Bai wrote: > >> > On Wed, 26 Sep 2018 16:44:16 -0700 > >> > Guang Bai wrote: > >> > > >> >> O

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-27 Thread Jani Nikula
On Thu, 27 Sep 2018, Guang Bai wrote: > On Thu, 27 Sep 2018 09:45:53 +0300 > Jani Nikula wrote: > >> On Wed, 26 Sep 2018, Guang Bai wrote: >> > On Wed, 26 Sep 2018 16:44:16 -0700 >> > Guang Bai wrote: >> > >> >> On Tue, 25 Sep 2018 10:18:36 +0300 >> >> Jani Nikula wrote: >> >> >> >> > On

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-27 Thread Guang Bai
On Thu, 27 Sep 2018 09:45:53 +0300 Jani Nikula wrote: > On Wed, 26 Sep 2018, Guang Bai wrote: > > On Wed, 26 Sep 2018 16:44:16 -0700 > > Guang Bai wrote: > > > >> On Tue, 25 Sep 2018 10:18:36 +0300 > >> Jani Nikula wrote: > >> > >> > On some systems we get the hotplug irq on unplug before

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-26 Thread Jani Nikula
On Wed, 26 Sep 2018, Guang Bai wrote: > On Wed, 26 Sep 2018 16:44:16 -0700 > Guang Bai wrote: > >> On Tue, 25 Sep 2018 10:18:36 +0300 >> Jani Nikula wrote: >> >> > On some systems we get the hotplug irq on unplug before the DDC pins >> > have been disconnected, resulting in connector status rem

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-26 Thread Guang Bai
On Wed, 26 Sep 2018 16:44:16 -0700 Guang Bai wrote: > On Tue, 25 Sep 2018 10:18:36 +0300 > Jani Nikula wrote: > > > On some systems we get the hotplug irq on unplug before the DDC pins > > have been disconnected, resulting in connector status remaining > > connected. Since previous attempts at

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-26 Thread Guang Bai
On Tue, 25 Sep 2018 10:18:36 +0300 Jani Nikula wrote: > On some systems we get the hotplug irq on unplug before the DDC pins > have been disconnected, resulting in connector status remaining > connected. Since previous attempts at using hotplug live status before > DDC have failed, the only viabl

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-26 Thread Chris Wilson
Quoting Jani Nikula (2018-09-26 08:06:56) > On Tue, 25 Sep 2018, Chris Wilson wrote: > > Quoting Jani Nikula (2018-09-25 08:18:36) > >> On some systems we get the hotplug irq on unplug before the DDC pins > >> have been disconnected, resulting in connector status remaining > >> connected. Since pr

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-26 Thread Jani Nikula
On Tue, 25 Sep 2018, Chris Wilson wrote: > Quoting Jani Nikula (2018-09-25 08:18:36) >> On some systems we get the hotplug irq on unplug before the DDC pins >> have been disconnected, resulting in connector status remaining >> connected. Since previous attempts at using hotplug live status before

Re: [Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-25 Thread Chris Wilson
Quoting Jani Nikula (2018-09-25 08:18:36) > On some systems we get the hotplug irq on unplug before the DDC pins > have been disconnected, resulting in connector status remaining > connected. Since previous attempts at using hotplug live status before > DDC have failed, the only viable option is to

[Intel-gfx] [PATCH] drm/i915: delay hotplug scheduling

2018-09-25 Thread Jani Nikula
On some systems we get the hotplug irq on unplug before the DDC pins have been disconnected, resulting in connector status remaining connected. Since previous attempts at using hotplug live status before DDC have failed, the only viable option is to reduce the window for mistakes. Delay the hotplug