On Tue, Oct 10, 2017 at 10:46:57AM +0200, Daniel Vetter wrote: > All our mmio writes take forever with lockdep due to the constant > lock acquire&dropping we do. Ville has some patches to only acquire > the mmio spinlocks once instead for every single mmio, but those > aren't ready yet. > > As an interim solution just extend our budget slightly when lockdep is > enabled, to avoid the rare and sporadic noise in CI. > > Cc: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> > References: https://bugs.freedesktop.org/show_bug.cgi?id=103169 > References: https://bugs.freedesktop.org/show_bug.cgi?id=103124 > References: https://bugs.freedesktop.org/show_bug.cgi?id=102403 > References: https://bugs.freedesktop.org/show_bug.cgi?id=103020 > References: https://bugs.freedesktop.org/show_bug.cgi?id=103019 > References: https://bugs.freedesktop.org/show_bug.cgi?id=102723 > References: https://bugs.freedesktop.org/show_bug.cgi?id=102544 > References: https://bugs.freedesktop.org/show_bug.cgi?id=103180 > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> Acked-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_sprite.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c > index b0d6e3e28d07..65f1bffe295d 100644 > --- a/drivers/gpu/drm/i915/intel_sprite.c > +++ b/drivers/gpu/drm/i915/intel_sprite.c > @@ -66,7 +66,11 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, > 1000 * adjusted_mode->crtc_htotal); > } > > +#if IS_ENABLED(CONFIG_PROVE_LOCKING) > +#define VBLANK_EVASION_TIME_US 250 > +#else > #define VBLANK_EVASION_TIME_US 100 > +#endif > > /** > * intel_pipe_update_start() - start update of a set of display registers > -- > 2.14.1 -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
