On Tue, Apr 25, 2017 at 01:55:26PM +0200, Maarten Lankhorst wrote:
> Some connectors may not allow all scaling mode properties, this function will allow
> creating the scaling mode property with only the supported subset.
>
> This will make it possible to convert i915 connectors to atomic.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/drm_atomic.c | 3 ++-
> drivers/gpu/drm/drm_connector.c | 45 +++++++++++++++++++++++++++++++++++++++++
> include/drm/drm_connector.h | 5 +++++
> 3 files changed, 52 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 25ea6f797a54..21db00d9a933 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -1125,7 +1125,8 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
> state->link_status = val;
> } else if (property == config->aspect_ratio_property) {
> state->picture_aspect_ratio = val;
> - } else if (property == config->scaling_mode_property) {
> + } else if (property == config->scaling_mode_property ||
I would suggest ripping out the global property entirely, like I did for
the plane rotation property.
> + property == connector->scaling_mode_property) {
> state->scaling_mode = val;
> } else if (connector->funcs->atomic_set_property) {
> return connector->funcs->atomic_set_property(connector,
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index 9f847615ac74..49baa21b4ce7 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -954,6 +954,7 @@ int drm_mode_create_scaling_mode_property(struct drm_device *dev)
> drm_scaling_mode_enum_list,
> ARRAY_SIZE(drm_scaling_mode_enum_list));
>
> +
> dev->mode_config.scaling_mode_property = scaling_mode;
>
> return 0;
> @@ -961,6 +962,50 @@ int drm_mode_create_scaling_mode_property(struct drm_device *dev)
> EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
>
> /**
> + * drm_mode_connector_attach_custom_scaling_mode_property - TODO
> + */
> +int drm_mode_connector_attach_custom_scaling_mode_property(struct drm_connector *connector,
> + u32 scaling_mode_mask,
> + u32 default_scaler)
> +{
> + struct drm_device *dev = connector->dev;
> + struct drm_property *scaling_mode_property;
> + int i;
> +
> + if (!scaling_mode_mask)
> + scaling_mode_mask = ~0U;
> +
> + scaling_mode_mask &= (1U << ARRAY_SIZE(drm_scaling_mode_enum_list)) - 1;
> +
> + scaling_mode_property =
> + drm_property_create(dev, 0, "scaling mode",
> + hweight32(scaling_mode_mask));
> +
> + for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
> + if (BIT(i) & scaling_mode_mask) {
> + int ret;
> +
> + ret = drm_property_add_enum(scaling_mode_property, i,
> + drm_scaling_mode_enum_list[i].type,
> + drm_scaling_mode_enum_list[i].name);
> +
> + if (ret) {
> + drm_property_destroy(dev, scaling_mode_property);
> +
> + return ret;
> + }
> + }
> +
> + drm_object_attach_property(&connector->base,
> + scaling_mode_property, default_scaler);
> +
> + connector->scaling_mode_property = scaling_mode_property;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_attach_custom_scaling_mode_property);
> +
> +/**
> * drm_mode_create_aspect_ratio_property - create aspect ratio property
> * @dev: DRM device
> *
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 934143720e5a..f55ae02135c2 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -770,6 +770,8 @@ struct drm_connector {
> struct drm_property_blob *edid_blob_ptr;
> struct drm_object_properties properties;
>
> + struct drm_property *scaling_mode_property;
> +
> /**
> * @path_blob_ptr:
> *
> @@ -969,6 +971,9 @@ int drm_mode_create_tv_properties(struct drm_device *dev,
> unsigned int num_modes,
> const char * const modes[]);
> int drm_mode_create_scaling_mode_property(struct drm_device *dev);
> +int drm_mode_connector_attach_custom_scaling_mode_property(struct drm_connector *connector,
> + u32 scaling_mode_mask,
> + u32 default_value);
> int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
> int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
>
> --
> 2.7.4
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrjälä
Intel OTC
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