On Tue, 22 Sep 2015, Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> wrote: > Nothing good can come from detaching scalers or updating pipe config > when the crtc is already disabled. Touching registers while the crtc > and power wells are disabled causes unclaimed register access warnings. > > Reported-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> > Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Maarten, this patch has no reviews and it no longer applies to v4.3 cleanly. Please rebase and repost if it's still valid. BR, Jani. > --- > drivers/gpu/drm/i915/intel_display.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index a4c24e6f5d6f..5a68290bf8c6 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -13527,7 +13527,7 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc, > /* Perform vblank evasion around commit operation */ > intel_pipe_update_start(intel_crtc); > > - if (modeset) > + if (modeset || !crtc->state->active) > return; > > if (to_intel_crtc_state(crtc->state)->update_pipe) > -- > 2.1.0 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
