Re: [Intel-gfx] [PATCH 2/3] drm/i915: Fix overlay frontbuffer tracking

2021-02-09 Thread Chris Wilson
Quoting Ville Syrjala (2021-02-09 02:19:17) > From: Ville Syrjälä > > We don't have a persistent fb holding a reference to the frontbuffer > object, so every time we do the get+put we throw the frontbuffer object > immediately away. And so the next time around we get a pristine > frontbuffer obje

[Intel-gfx] [PATCH 2/3] drm/i915: Fix overlay frontbuffer tracking

2021-02-08 Thread Ville Syrjala
From: Ville Syrjälä We don't have a persistent fb holding a reference to the frontbuffer object, so every time we do the get+put we throw the frontbuffer object immediately away. And so the next time around we get a pristine frontbuffer object with bits==0 even for the old vma. This confuses the