On Fri, 19 Oct 2012 14:51:49 +0300 Jani Nikula <[email protected]> wrote:
> Create a generic struct intel_panel for sharing a data structure and code > between eDP and LVDS panels. Add the new struct to intel_connector so that > later on we can have generic EDID and mode reading functions with EDID > caching that transparently fallback to fixed mode when EDID is not > available. > > Add intel_panel as a dummy first, and move data (such as the mentioned > fixed mode) to it in later patches. > > Based on earlier work by Chris Wilson <[email protected]> > > CC: Chris Wilson <[email protected]> > Signed-off-by: Jani Nikula <[email protected]> > --- > drivers/gpu/drm/i915/intel_dp.c | 9 +++++++-- > drivers/gpu/drm/i915/intel_drv.h | 9 +++++++++ > drivers/gpu/drm/i915/intel_lvds.c | 2 ++ > drivers/gpu/drm/i915/intel_panel.c | 9 +++++++++ > 4 files changed, 27 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > index 52cbee7..abbdfed 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -2502,9 +2502,12 @@ static void > intel_dp_destroy(struct drm_connector *connector) > { > struct drm_device *dev = connector->dev; > + struct intel_connector *intel_connector = to_intel_connector(connector); > > - if (intel_dpd_is_edp(dev)) > + if (intel_dpd_is_edp(dev)) { > intel_panel_destroy_backlight(dev); > + intel_panel_fini(&intel_connector->panel); > + } > > drm_sysfs_connector_remove(connector); > drm_connector_cleanup(connector); > @@ -2833,8 +2836,10 @@ intel_dp_init(struct drm_device *dev, int output_reg, > enum port port) > > intel_encoder->hot_plug = intel_dp_hot_plug; > > - if (is_edp(intel_dp)) > + if (is_edp(intel_dp)) { > + intel_panel_init(&intel_connector->panel); > intel_panel_setup_backlight(connector); > + } > > intel_dp_add_properties(intel_dp, connector); > > diff --git a/drivers/gpu/drm/i915/intel_drv.h > b/drivers/gpu/drm/i915/intel_drv.h > index e5cdf3d..df00f21 100644 > --- a/drivers/gpu/drm/i915/intel_drv.h > +++ b/drivers/gpu/drm/i915/intel_drv.h > @@ -163,6 +163,9 @@ struct intel_encoder { > int crtc_mask; > }; > > +struct intel_panel { > +}; > + > struct intel_connector { > struct drm_connector base; > /* > @@ -179,6 +182,9 @@ struct intel_connector { > /* Reads out the current hw, returning true if the connector is enabled > * and active (i.e. dpms ON state). */ > bool (*get_hw_state)(struct intel_connector *); > + > + /* Panel info for eDP and LVDS */ > + struct intel_panel panel; > }; > > struct intel_crtc { > @@ -436,6 +442,9 @@ extern void intel_flush_display_plane(struct > drm_i915_private *dev_priv, > enum plane plane); > > /* intel_panel.c */ > +extern int intel_panel_init(struct intel_panel *panel); > +extern void intel_panel_fini(struct intel_panel *panel); > + > extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, > struct drm_display_mode *adjusted_mode); > extern void intel_pch_panel_fitting(struct drm_device *dev, > diff --git a/drivers/gpu/drm/i915/intel_lvds.c > b/drivers/gpu/drm/i915/intel_lvds.c > index 0ed2c3b..db1b1b7 100644 > --- a/drivers/gpu/drm/i915/intel_lvds.c > +++ b/drivers/gpu/drm/i915/intel_lvds.c > @@ -555,6 +555,7 @@ static void intel_lvds_destroy(struct drm_connector > *connector) > acpi_lid_notifier_unregister(&lvds_connector->lid_notifier); > > intel_panel_destroy_backlight(connector->dev); > + intel_panel_fini(&lvds_connector->base.panel); > > drm_sysfs_connector_remove(connector); > drm_connector_cleanup(connector); > @@ -1107,6 +1108,7 @@ out: > } > drm_sysfs_connector_add(connector); > > + intel_panel_init(&intel_connector->panel); > intel_panel_setup_backlight(connector); > > return true; > diff --git a/drivers/gpu/drm/i915/intel_panel.c > b/drivers/gpu/drm/i915/intel_panel.c > index d9752a3..4c64ebc 100644 > --- a/drivers/gpu/drm/i915/intel_panel.c > +++ b/drivers/gpu/drm/i915/intel_panel.c > @@ -464,3 +464,12 @@ void intel_panel_destroy_backlight(struct drm_device > *dev) > return; > } > #endif > + > +int intel_panel_init(struct intel_panel *panel) > +{ > + return 0; > +} > + > +void intel_panel_fini(struct intel_panel *panel) > +{ > +} Looks good. My only nitpick is that this could be any type of fixed display, so panel may not be the best name. But practically speaking I guess MIPI, eDP, LVDS, or even fixed HDMI or DVI displays will be panels so no biggie. Reviewed-by: Jesse Barnes <[email protected]> -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
