On Wed, 2019-06-26 at 16:31 +0200, Daniel Vetter wrote:
> On Wed, Jun 26, 2019 at 04:43:28PM +0300, Ville Syrjälä wrote:
> > On Tue, Jun 25, 2019 at 04:40:45PM -0700, Dhinakaran Pandiyan wrote:
> > > Currently we restrict the number of encoders that can be linked to
> > > a connector to 3, increase it to match the maximum number of encoders
> > > that can be initialized - 32. The current limitation looks artificial.
> > > Increasing the limit to 32 does however increases the size of the static
> > > u32 array keeping track of the encoder IDs.
> > >
> > > Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> > > ---
> > > include/drm/drm_connector.h | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> > > index ca745d9feaf5..91455b4a9360 100644
> > > --- a/include/drm/drm_connector.h
> > > +++ b/include/drm/drm_connector.h
> > > @@ -1278,7 +1278,7 @@ struct drm_connector {
> > > /** @override_edid: has the EDID been overwritten through debugfs for
> > > testing? */
> > > bool override_edid;
> > >
> > > -#define DRM_CONNECTOR_MAX_ENCODER 3
> > > +#define DRM_CONNECTOR_MAX_ENCODER 32
> > > /**
> > > * @encoder_ids: Valid encoders for this connector. Please only use
> > > * drm_connector_for_each_possible_encoder() to enumerate these.
> >
> > I wonder if we couldn't just replace this array with a bitmask?
> > I think the for_each_possible_encoder() thing I did a while back
> > should make this easier potentially because most driver code just
> > uses that.
>
> +1 on possible encoders bitmask. More consistent at least.
Agreed, I'll make this change.
-DK
> -Daniel
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