Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2019-01-04 Thread Guang Bai
On Fri, 4 Jan 2019 12:02:34 +0800 Chris Chiu wrote: > On Thu, Jan 3, 2019 at 1:50 AM Guang Bai wrote: > > > > On Wed, 2 Jan 2019 17:29:46 +0800 > > Chris Chiu wrote: > > > > > Happy New Year. > > > Sorry for bothering you guys again, I don't really want to make > > > myself a nuisance. > > >

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2019-01-03 Thread Chris Chiu
On Thu, Jan 3, 2019 at 1:50 AM Guang Bai wrote: > > On Wed, 2 Jan 2019 17:29:46 +0800 > Chris Chiu wrote: > > > Happy New Year. > > Sorry for bothering you guys again, I don't really want to make myself > > a nuisance. > > Is there any better idea for fixing this issue? > I've already back

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2019-01-02 Thread Guang Bai
On Wed, 2 Jan 2019 17:29:46 +0800 Chris Chiu wrote: > Happy New Year. > Sorry for bothering you guys again, I don't really want to make myself > a nuisance. > Is there any better idea for fixing this issue? I've already back ported this change into the kernel 4.18.17 and sent it to our customer

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2019-01-02 Thread Chris Chiu
Happy New Year. Sorry for bothering you guys again, I don't really want to make myself a nuisance. Is there any better idea for fixing this issue? Chris On Mon, Dec 3, 2018 at 6:38 PM Chris Chiu wrote: > > On Fri, Nov 30, 2018 at 1:15 AM Guang Bai wrote: > > > > On Thu, 29 Nov 2018 10:17:49

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2018-12-03 Thread Chris Chiu
On Fri, Nov 30, 2018 at 1:15 AM Guang Bai wrote: > > On Thu, 29 Nov 2018 10:17:49 +0200 > Jani Nikula wrote: > > > On Wed, 28 Nov 2018, Guang Bai wrote: > > > On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable > > > makes the kernel to believe the HDMI display is still

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2018-11-29 Thread Guang Bai
On Thu, 29 Nov 2018 10:17:49 +0200 Jani Nikula wrote: > On Wed, 28 Nov 2018, Guang Bai wrote: > > On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable > > makes the kernel to believe the HDMI display is still connected. > > This is because the HDMI DDC lines are disconnected a

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2018-11-29 Thread Chris Chiu
On Thu, Nov 29, 2018 at 9:52 AM Guang Bai wrote: > On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable makes > the kernel to believe the HDMI display is still connected. This is because > the HDMI DDC lines are disconnected a little bit later after the hot-plug > interrupt

Re: [Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2018-11-29 Thread Jani Nikula
On Wed, 28 Nov 2018, Guang Bai wrote: > On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable makes > the kernel to believe the HDMI display is still connected. This is because > the HDMI DDC lines are disconnected a little bit later after the hot-plug > interrupt triggered thus an

[Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4)

2018-11-28 Thread Guang Bai
On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable makes the kernel to believe the HDMI display is still connected. This is because the HDMI DDC lines are disconnected a little bit later after the hot-plug interrupt triggered thus an immediate edid fetch can be made. This problem