_FORMAT_*)
> > + * @formats: array of supported formats (DRM_FORMAT\_\*)
>
> Future idea: If we turned DRM_FORMAT_* into an enum instead of a
> plethora of macros, we could reference the enum here. Not to mention the
> code being self-documenting too.
DRM_FORMAT_* is uapi,
On Fri, Aug 05, 2016 at 12:46:29PM +0200, Tomeu Vizoso wrote:
> On 3 August 2016 at 09:06, Ville Syrjälä <ville.syrj...@linux.intel.com>
> wrote:
> > On Fri, Jul 22, 2016 at 04:10:44PM +0200, Tomeu Vizoso wrote:
> >> Adds files and directories to debugfs for co
ted documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
>
ftware, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +#ifndef __DRM_DEBUGFS_CRC_H__
> +#define __DRM_DEBUGFS_CRC_H__
> +
> +/**
> + * struct drm_crtc_crc_entry - entry describing a frame's content
> + * @frame: number of the frame this CRC is about
> + * @crc: array of values that characterize the frame
> + */
> +struct drm_crtc_crc_entry {
> + uint32_t frame;
> + uint32_t crc[5];
> +};
> +
> +#define DRM_CRTC_CRC_ENTRIES_NR 128
> +/**
> + * struct drm_crtc_crc - data supporting CRC capture on a given CRTC
> + * @lock: protects the fields in this struct
> + * @source: name of the currently configured source of CRCs
> + * @opened: whether userspace has opened the data file for reading
> + * @entries: array of entries, with size of %DRM_CRTC_CRC_ENTRIES_NR
> + * @head: head of circular queue
> + * @tail: tail of circular queue
> + * @wq: workqueue used to synchronize reading and writing
> + */
> +struct drm_crtc_crc {
> + spinlock_t lock;
> + const char *source;
> + bool opened;
> + struct drm_crtc_crc_entry *entries;
> + int head, tail;
> + wait_queue_head_t wq;
> +};
> +
> +#if defined(CONFIG_DEBUG_FS)
> +int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
> +void drm_crtc_add_crc_entry(struct drm_crtc *crtc, uint32_t frame,
> + uint32_t crc0, uint32_t crc1, uint32_t crc2,
> + uint32_t crc3, uint32_t crc4);
> +#else
> +static inline int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
> +{
> + return 0;
> +}
> +static inline void drm_crtc_add_crc_entry(struct drm_crtc *crtc, uint32_t
> frame,
> + uint32_t crc0, uint32_t crc1,
> + uint32_t crc2, uint32_t crc3,
> + uint32_t crc4) {}
> +#endif /* defined(CONFIG_DEBUG_FS) */
> +
> +#endif /* __DRM_DEBUGFS_CRC_H__ */
> --
> 2.5.5
>
> ___
> dri-devel mailing list
> dri-de...@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrjälä
Intel OTC
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