On Wed, Mar 25, 2015 at 01:11:57PM -0700, Rodrigo Vivi wrote:
> From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
>
> Let userspace know the status of Panel Self-Refresh by virtue of a
> property on the appropriate connector.
>
> v2: Only attach the property if the driver is capable of PSR.
> v3: Add docbook courtesy of Damien.
> v4: Mark the initial value as 'unsupported' - it will be determined
> correctly when we later read the DCPD from the panel.
> v5: Done by Rodrigo:
> - Add disabled state to match all cases
> - Attach it anyway to eDP since it is started as unsupported
> - Change prop name to PSR
> - Add enum to make states more clear
> - Rebased on intel_psr.c changing func name and fixing states
>
> +void intel_attach_psr_property(struct drm_connector *connector)
> +{
> + struct drm_device *dev = connector->dev;
> + struct drm_i915_private *dev_priv = dev->dev_private;
> + struct drm_property *prop;
> +
> + prop = dev_priv->psr.property;
> + if (prop == NULL) {
> + prop = drm_property_create_enum(dev,
> + DRM_MODE_PROP_ENUM |
> + DRM_MODE_PROP_IMMUTABLE,
> + "PSR",
> + psr_names,
> + ARRAY_SIZE(psr_names));
Are you sure you want the user visible string to be "PSR"? Googling
prefers "Panel Self-Refresh".
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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