Re: [Intel-gfx] [PATCH 15/20] drm/i915/fbc: Disable FBC fully on FIFO underrun

2021-12-01 Thread Kahola, Mika
> -Original Message- > From: Intel-gfx On Behalf Of Ville > Syrjala > Sent: Wednesday, November 24, 2021 1:37 PM > To: intel-gfx@lists.freedesktop.org > Subject: [Intel-gfx] [PATCH 15/20] drm/i915/fbc: Disable FBC fully on FIFO > underrun > > From: Ville Syr

[Intel-gfx] [PATCH 15/20] drm/i915/fbc: Disable FBC fully on FIFO underrun

2021-11-24 Thread Ville Syrjala
From: Ville Syrjälä Currently a FIFO underrun just causes FBC to be deactivated, and later checks then prevent it from being reactivated. We can simpify our lives a bit by logically disabling FBC on FIFO underruna. This avoids the funny intermediate state where FBC is logically enabled but can't