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Message-ID: <20190624132413.GN5942@intel.com>
Date: Mon, 24 Jun 2019 16:24:13 +0300
From: Ville Syrjälä <ville.syrjala@...ux.intel.com>
To: Derek Basehore <dbasehore@...omium.org>
Cc: linux-kernel@...r.kernel.org,
Philipp Zabel <p.zabel@...gutronix.de>,
Maxime Ripard <maxime.ripard@...tlin.com>,
Sam Ravnborg <sam@...nborg.org>,
intel-gfx@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
Matthias Brugger <matthias.bgg@...il.com>,
dri-devel@...ts.freedesktop.org, CK Hu <ck.hu@...iatek.com>,
linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [Intel-gfx] [PATCH v3 3/4] drm/connector: Split out orientation
quirk detection
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@...omium.org>
> ---
> 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?
> - 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@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel
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