On Thu, Nov 03, 2016 at 03:45:43PM -0200, Paulo Zanoni wrote:
> Em Qui, 2016-11-03 às 18:45 +0200, Ville Syrjälä escreveu:
> > On Mon, Oct 17, 2016 at 02:37:15PM +0200, Maarten Lankhorst wrote:
> > >
> > > Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx
> > > >
> > > ---
> > > drivers/gpu/drm/i915/intel_fbc.c | 6 +++---
> > > 1 file changed, 3 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_fbc.c
> > > b/drivers/gpu/drm/i915/intel_fbc.c
> > > index faa67624e1ed..0028335fc1bb 100644
> > > --- a/drivers/gpu/drm/i915/intel_fbc.c
> > > +++ b/drivers/gpu/drm/i915/intel_fbc.c
> > > @@ -1060,7 +1060,7 @@ void intel_fbc_choose_crtc(struct
> > > drm_i915_private *dev_priv,
> > >
> > > mutex_lock(&fbc->lock);
> > >
> > > - for_each_crtc_in_state(state, crtc, crtc_state, i) {
> > > + for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
> > > if (fbc->crtc == to_intel_crtc(crtc)) {
> > > fbc_crtc_present = true;
> > > break;
> > > @@ -1074,14 +1074,14 @@ void intel_fbc_choose_crtc(struct
> > > drm_i915_private *dev_priv,
> > > * plane. We could go for fancier schemes such as checking
> > > the plane
> > > * size, but this would just affect the few platforms that
> > > don't tie FBC
> > > * to pipe or plane A. */
> > > - for_each_plane_in_state(state, plane, plane_state, i) {
> > > + for_each_new_plane_in_state(state, plane, plane_state, i)
> > > {
> > > struct intel_plane_state *intel_plane_state =
> > > to_intel_plane_state(plane_state);
> > >
> > > if (!intel_plane_state->base.visible)
> > > continue;
> >
> > Unrelated but this thing looks somewhat bogus. FBC is tied to the
> > primary plane only, so why do we care about the visibility of the
> > other
> > planes? Adding Paulo to Cc...
>
> Looks like you've found a bug... Thanks! We should really be iterating
> over primary planes only. Adding to the TODO list.
>
> >
> > >
> > >
> > > - for_each_crtc_in_state(state, crtc, crtc_state, j)
> > > {
> > > + for_each_new_crtc_in_state(state, crtc,
> > > crtc_state, j) {
> >
> > Also, can't this inner loop be replaced with a simple
> > crtc = plane_state->crtc ?
>
> Is there a way to get the proposed crtc_state without the loop?
...get_existing_crtc_state(plane_state->crtc);
since the plane is part of the state the crtc should be too, I think.
--
Ville Syrjälä
Intel OTC
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