Re: [Intel-gfx] [PATCH v2 2/2] drm/i915/fbdev: suspend HPD before fbdev unregistration

2022-06-30 Thread Murthy, Arun R
> HPD event after fbdev unregistration can cause registration of deferred fbdev > which will not be unregistered later, causing use-after-free. > To avoid it HPD handling should be suspended before fbdev unregistration. > > It should fix following GPF: > [272.634530] general protection fault,

[Intel-gfx] [PATCH v2 2/2] drm/i915/fbdev: suspend HPD before fbdev unregistration

2022-06-30 Thread Andrzej Hajda
HPD event after fbdev unregistration can cause registration of deferred fbdev which will not be unregistered later, causing use-after-free. To avoid it HPD handling should be suspended before fbdev unregistration. It should fix following GPF: [272.634530] general protection fault, probably for