Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-12 Thread Johan Hovold
On Mon, Mar 11, 2024 at 09:51:29AM -0700, Abhinav Kumar wrote: > On 3/11/2024 6:43 AM, Johan Hovold wrote: > > On Sat, Mar 09, 2024 at 05:30:17PM +0100, Johan Hovold wrote: > >> On Fri, Mar 08, 2024 at 09:50:17AM -0800, Abhinav Kumar wrote: > >>> I have posted my analysis with the patch here as a

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-11 Thread Abhinav Kumar
On 3/11/2024 6:43 AM, Johan Hovold wrote: On Sat, Mar 09, 2024 at 05:30:17PM +0100, Johan Hovold wrote: On Fri, Mar 08, 2024 at 09:50:17AM -0800, Abhinav Kumar wrote: On 3/8/2024 4:43 AM, Johan Hovold wrote: For this last remaining reset with the stacktrace you have mentioned below, I do

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-11 Thread Johan Hovold
On Mon, Mar 11, 2024 at 02:43:24PM +0100, Johan Hovold wrote: > So, while it may still be theoretically possible to hit the resets after > the revert, the HPD notify revert effectively "fixed" the regression in > 6.8-rc1 by removing the preconditions that now made us hit it (i.e. the >

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-11 Thread Johan Hovold
On Sat, Mar 09, 2024 at 05:30:17PM +0100, Johan Hovold wrote: > On Fri, Mar 08, 2024 at 09:50:17AM -0800, Abhinav Kumar wrote: > > On 3/8/2024 4:43 AM, Johan Hovold wrote: > > > For this last remaining reset with the stacktrace you have mentioned > > below, I do not think this was introduced due

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-09 Thread Johan Hovold
On Fri, Mar 08, 2024 at 09:50:17AM -0800, Abhinav Kumar wrote: > On 3/8/2024 4:43 AM, Johan Hovold wrote: > For this last remaining reset with the stacktrace you have mentioned > below, I do not think this was introduced due to PM runtime series. We > have had this report earlier with the same

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-08 Thread Abhinav Kumar
Hi Johan On 3/8/2024 4:43 AM, Johan Hovold wrote: Hi Abhinav, Rob, Dmitry and Kuogee, On Tue, Feb 27, 2024 at 02:33:48PM +0100, Johan Hovold wrote: Since 6.8-rc1 I have seen (and received reports) of hard resets of the Lenovo ThinkPad X13s after connecting and disconnecting an external

Re: drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-03-08 Thread Johan Hovold
Hi Abhinav, Rob, Dmitry and Kuogee, On Tue, Feb 27, 2024 at 02:33:48PM +0100, Johan Hovold wrote: > Since 6.8-rc1 I have seen (and received reports) of hard resets of the > Lenovo ThinkPad X13s after connecting and disconnecting an external > display. > > I have triggered this on a simple

drm/msm: DisplayPort hard-reset on hotplug regression in 6.8-rc1

2024-02-27 Thread Johan Hovold
Hi, Since 6.8-rc1 I have seen (and received reports) of hard resets of the Lenovo ThinkPad X13s after connecting and disconnecting an external display. I have triggered this on a simple disconnect while in a VT console, but also when stopping Xorg after having repeatedly connected and