> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ville > Syrjala > Sent: Tuesday, March 15, 2022 4:00 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: [PATCH 0/7] drm/i915/fbc: FBC frontbuffer stuff > > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Avoid all the FBC frontbuffer vs. atomic commit raciness by not doing any FBC > nukes while a flip is pending. Allows us to remove the last locks from the i9xx > plane code. > > I also want to explore the idea of always generating DSB batches for pipe > commits and just excuting them on the CPU if no DSB hardware is available. > Locked register writes (and any register reads, of which there are still a few) > prevent me from doing that. > As far as I have understood, what we try to achieve with this series looks ok to me. Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx> > Ville Syrjälä (7): > drm/i915/fbc: Eliminate possible_framebuffer_bits > drm/i915/fbc: Streamline frontbuffer busy bits handling > drm/i915/fbc: Skip nuke when flip is pending > drm/i915: Remove remaining locks from i9xx plane udpates > drm/i915/fbc: Remove intel_fbc_global_disable() > drm/i915/fbc: Introduce intel_fbc_sanitize() > drm/i915/fbc: Call intel_fbc_activate() directly from frontbuffer > flush > > drivers/gpu/drm/i915/display/i9xx_plane.c | 12 --- > drivers/gpu/drm/i915/display/intel_display.c | 4 +- > drivers/gpu/drm/i915/display/intel_fbc.c | 88 +++++++++----------- > drivers/gpu/drm/i915/display/intel_fbc.h | 2 +- > drivers/gpu/drm/i915/i915_suspend.c | 4 - > 5 files changed, 44 insertions(+), 66 deletions(-) > > -- > 2.34.1
