linux-kernel - Re: [PATCH 1/6] drm: Add writeback connector type

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Date:   Fri, 5 May 2017 13:47:45 +0100
From:   Liviu Dudau <liviu.dudau@....com>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:     Brian Starkey <brian.starkey@....com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        laurent.pinchart@...asonboard.com, linux-media@...r.kernel.org
Subject: Re: [PATCH 1/6] drm: Add writeback connector type

On Fri, May 05, 2017 at 10:22:19AM +0200, Boris Brezillon wrote:
> On Fri, 25 Nov 2016 16:48:59 +0000
> Brian Starkey <brian.starkey@....com> wrote:
> 
> > +/**
> > + * drm_writeback_connector_init - Initialize a writeback connector and its properties
> > + * @dev: DRM device
> > + * @wb_connector: Writeback connector to initialize
> > + * @funcs: Connector funcs vtable
> > + * @formats: Array of supported pixel formats for the writeback engine
> > + * @n_formats: Length of the formats array
> > + *
> > + * This function creates the writeback-connector-specific properties if they
> > + * have not been already created, initializes the connector as
> > + * type DRM_MODE_CONNECTOR_WRITEBACK, and correctly initializes the property
> > + * values.
> > + *
> > + * Drivers should always use this function instead of drm_connector_init() to
> > + * set up writeback connectors.
> > + *
> > + * Returns: 0 on success, or a negative error code
> > + */
> > +int drm_writeback_connector_init(struct drm_device *dev,
> > +				 struct drm_writeback_connector *wb_connector,
> > +				 const struct drm_connector_funcs *funcs,
> > +				 u32 *formats, int n_formats)
> 
> This should probably be 'const u32 *formats', since developers are
> likely to define a this array with a 'static const' specifier in their
> driver.

Fixed in the v4.

Thanks,
Liviu

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