[Intel-gfx] [PATCH 06/11] drm: add a path blob property

[Todd Previte]

This one looks fine to me.

Reviewed-by: Todd Previte <tprevite at gmail.com>

> Dave Airlie <mailto:airlied at gmail.com>
> Tuesday, May 20, 2014 7:54 PM
> From: Dave Airlie <airlied at redhat.com>
>
> This property will be used by the MST code to provide userspace
> with a path to parse so it can recognise connectors around hotplugs.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
> drivers/gpu/drm/drm_crtc.c | 26 ++++++++++++++++++++++++++
> include/drm/drm_crtc.h | 5 +++++
> 2 files changed, 31 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 8bf87a6..06b9255 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -1165,6 +1165,7 @@ static int 
> drm_mode_create_standard_connector_properties(struct drm_device *dev)
> {
> struct drm_property *edid;
> struct drm_property *dpms;
> + struct drm_property *dev_path;
>
> /*
> * Standard properties (apply to all connectors)
> @@ -1179,6 +1180,12 @@ static int 
> drm_mode_create_standard_connector_properties(struct drm_device *dev)
> ARRAY_SIZE(drm_dpms_enum_list));
> dev->mode_config.dpms_property = dpms;
>
> + dev_path = drm_property_create(dev,
> + DRM_MODE_PROP_BLOB |
> + DRM_MODE_PROP_IMMUTABLE,
> + "PATH", 0);
> + dev->mode_config.path_property = dev_path;
> +
> return 0;
> }
>
> @@ -3637,6 +3644,25 @@ done:
> return ret;
> }
>
> +int drm_mode_connector_set_path_property(struct drm_connector *connector,
> + char *path)
> +{
> + struct drm_device *dev = connector->dev;
> + int ret, size;
> + size = strlen(path) + 1;
> +
> + connector->path_blob_ptr = drm_property_create_blob(connector->dev,
> + size, path);
> + if (!connector->path_blob_ptr)
> + return -EINVAL;
> +
> + ret = drm_object_property_set_value(&connector->base,
> + dev->mode_config.path_property,
> + connector->path_blob_ptr->base.id);
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_set_path_property);
> +
> /**
> * drm_mode_connector_update_edid_property - update the edid property 
> of a connector
> * @connector: drm connector
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 55bc523..e33959b 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -500,6 +500,8 @@ struct drm_connector {
> struct drm_property_blob *edid_blob_ptr;
> struct drm_object_properties properties;
>
> + struct drm_property_blob *path_blob_ptr;
> +
> uint8_t polled; /* DRM_CONNECTOR_POLL_* */
>
> /* requested DPMS state */
> @@ -774,6 +776,7 @@ struct drm_mode_config {
> struct list_head property_blob_list;
> struct drm_property *edid_property;
> struct drm_property *dpms_property;
> + struct drm_property *path_property;
> struct drm_property *plane_type_property;
>
> /* DVI-I properties */
> @@ -926,6 +929,8 @@ extern void drm_mode_config_init(struct drm_device 
> *dev);
> extern void drm_mode_config_reset(struct drm_device *dev);
> extern void drm_mode_config_cleanup(struct drm_device *dev);
>
> +extern int drm_mode_connector_set_path_property(struct drm_connector 
> *connector,
> + char *path);
> extern int drm_mode_connector_update_edid_property(struct 
> drm_connector *connector,
> struct edid *edid);
> extern int drm_object_property_set_value(struct drm_mode_object *obj,
> Dave Airlie <mailto:airlied at gmail.com>
> Tuesday, May 20, 2014 7:54 PM
> Hey,
>
> So this set is pretty close to what I think we should be merging 
> initially,
>
> Since the last set, it makes fbcon and suspend/resume work a lot better,
>
> I've also fixed a couple of bugs in -intel that make things work a lot
> better.
>
> I've bashed on this a bit using kms-flip from intel-gpu-tools, hacked
> to add 3 monitor support.
>
> It still generates a fair few i915 state checker backtraces, and some
> of them are fairly hard to work out, it might be we should just tone
> down the state checker for encoders/connectors with no actual hw backing
> them.
>
> Dave.
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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