Re: [PATCH v3 3/4] drm/connector: Split out orientation quirk detection

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On Mon, Jun 24, 2019 at 6:24 AM Ville Syrjälä
<ville.syrjala@xxxxxxxxxxxxxxx> wrote:
>
> On Fri, Jun 21, 2019 at 08:41:04PM -0700, Derek Basehore wrote:
> > Not every platform needs quirk detection for panel orientation, so
> > split the drm_connector_init_panel_orientation_property into two
> > functions. One for platforms without the need for quirks, and the
> > other for platforms that need quirks.
> >
> > Signed-off-by: Derek Basehore <dbasehore@xxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/drm_connector.c | 45 ++++++++++++++++++++++++---------
> >  drivers/gpu/drm/i915/intel_dp.c |  4 +--
> >  drivers/gpu/drm/i915/vlv_dsi.c  |  5 ++--
> >  include/drm/drm_connector.h     |  2 ++
> >  4 files changed, 39 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> > index e17586aaa80f..c4b01adf927a 100644
> > --- a/drivers/gpu/drm/drm_connector.c
> > +++ b/drivers/gpu/drm/drm_connector.c
> > @@ -1894,31 +1894,23 @@ EXPORT_SYMBOL(drm_connector_set_vrr_capable_property);
> >   * drm_connector_init_panel_orientation_property -
> >   *   initialize the connecters panel_orientation property
> >   * @connector: connector for which to init the panel-orientation property.
> > - * @width: width in pixels of the panel, used for panel quirk detection
> > - * @height: height in pixels of the panel, used for panel quirk detection
> >   *
> >   * This function should only be called for built-in panels, after setting
> >   * connector->display_info.panel_orientation first (if known).
> >   *
> > - * This function will check for platform specific (e.g. DMI based) quirks
> > - * overriding display_info.panel_orientation first, then if panel_orientation
> > - * is not DRM_MODE_PANEL_ORIENTATION_UNKNOWN it will attach the
> > - * "panel orientation" property to the connector.
> > + * This function will check if the panel_orientation is not
> > + * DRM_MODE_PANEL_ORIENTATION_UNKNOWN. If not, it will attach the "panel
> > + * orientation" property to the connector.
> >   *
> >   * Returns:
> >   * Zero on success, negative errno on failure.
> >   */
> >  int drm_connector_init_panel_orientation_property(
> > -     struct drm_connector *connector, int width, int height)
> > +     struct drm_connector *connector)
> >  {
> >       struct drm_device *dev = connector->dev;
> >       struct drm_display_info *info = &connector->display_info;
> >       struct drm_property *prop;
> > -     int orientation_quirk;
> > -
> > -     orientation_quirk = drm_get_panel_orientation_quirk(width, height);
> > -     if (orientation_quirk != DRM_MODE_PANEL_ORIENTATION_UNKNOWN)
> > -             info->panel_orientation = orientation_quirk;
> >
> >       if (info->panel_orientation == DRM_MODE_PANEL_ORIENTATION_UNKNOWN)
> >               return 0;
> > @@ -1941,6 +1933,35 @@ int drm_connector_init_panel_orientation_property(
> >  }
> >  EXPORT_SYMBOL(drm_connector_init_panel_orientation_property);
> >
> > +/**
> > + * drm_connector_init_panel_orientation_property_quirk -
> > + *   initialize the connecters panel_orientation property with a quirk
> > + *   override
> > + * @connector: connector for which to init the panel-orientation property.
> > + * @width: width in pixels of the panel, used for panel quirk detection
> > + * @height: height in pixels of the panel, used for panel quirk detection
> > + *
> > + * This function will check for platform specific (e.g. DMI based) quirks
> > + * overriding display_info.panel_orientation first, then if panel_orientation
> > + * is not DRM_MODE_PANEL_ORIENTATION_UNKNOWN it will attach the
> > + * "panel orientation" property to the connector.
> > + *
> > + * Returns:
> > + * Zero on success, negative errno on failure.
> > + */
> > +int drm_connector_init_panel_orientation_property_quirk(
> > +     struct drm_connector *connector, int width, int height)
> > +{
> > +     int orientation_quirk;
> > +
> > +     orientation_quirk = drm_get_panel_orientation_quirk(width, height);
> > +     if (orientation_quirk != DRM_MODE_PANEL_ORIENTATION_UNKNOWN)
> > +             connector->display_info.panel_orientation = orientation_quirk;
> > +
> > +     return drm_connector_init_panel_orientation_property(connector);
> > +}
> > +EXPORT_SYMBOL(drm_connector_init_panel_orientation_property_quirk);
> > +
> >  int drm_connector_set_obj_prop(struct drm_mode_object *obj,
> >                                   struct drm_property *property,
> >                                   uint64_t value)
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index b099a9dc28fd..7d4e61cf5463 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -7282,8 +7282,8 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
> >       intel_panel_setup_backlight(connector, pipe);
> >
> >       if (fixed_mode)
> > -             drm_connector_init_panel_orientation_property(
> > -                     connector, fixed_mode->hdisplay, fixed_mode->vdisplay);
> > +             drm_connector_init_panel_orientation_property_quirk(connector,
> > +                             fixed_mode->hdisplay, fixed_mode->vdisplay);
> >
> >       return true;
> >
> > diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c
> > index bfe2891eac37..fa9833dbe359 100644
> > --- a/drivers/gpu/drm/i915/vlv_dsi.c
> > +++ b/drivers/gpu/drm/i915/vlv_dsi.c
> > @@ -1650,6 +1650,7 @@ static void intel_dsi_add_properties(struct intel_connector *connector)
> >
> >       if (connector->panel.fixed_mode) {
> >               u32 allowed_scalers;
> > +             int orientation;
> >
> >               allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN);
> >               if (!HAS_GMCH(dev_priv))
> > @@ -1660,9 +1661,7 @@ static void intel_dsi_add_properties(struct intel_connector *connector)
> >
> >               connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT;
> >
> > -             connector->base.display_info.panel_orientation =
> > -                     vlv_dsi_get_panel_orientation(connector);
>
> Where did that go?

Oops. Nice catch.

>
> > -             drm_connector_init_panel_orientation_property(
> > +             drm_connector_init_panel_orientation_property_quirk(
> >                               &connector->base,
> >                               connector->panel.fixed_mode->hdisplay,
> >                               connector->panel.fixed_mode->vdisplay);
> > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> > index 47e749b74e5f..0468fd9a4418 100644
> > --- a/include/drm/drm_connector.h
> > +++ b/include/drm/drm_connector.h
> > @@ -1370,6 +1370,8 @@ void drm_connector_set_link_status_property(struct drm_connector *connector,
> >  void drm_connector_set_vrr_capable_property(
> >               struct drm_connector *connector, bool capable);
> >  int drm_connector_init_panel_orientation_property(
> > +     struct drm_connector *connector);
> > +int drm_connector_init_panel_orientation_property_quirk(
> >       struct drm_connector *connector, int width, int height);
> >  int drm_connector_attach_max_bpc_property(struct drm_connector *connector,
> >                                         int min, int max);
> > --
> > 2.22.0.410.gd8fdbe21b5-goog
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Ville Syrjälä
> Intel

Thanks for the review
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