Re: [PATCH RFC v9 09/20] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format

From: Daniel Vetter
Date: Thu Feb 12 2015 - 04:25:54 EST


On Thu, Feb 12, 2015 at 02:01:32PM +0800, Liu Ying wrote:
> Signed-off-by: Liu Ying <Ying.Liu@xxxxxxxxxxxxx>
> ---
> v8->v9:
> * Rebase onto the imx-drm/next branch of Philipp Zabel's open git repository.
>
> v7->v8:
> * None.
>
> v6->v7:
> * None.
>
> v5->v6:
> * Address the over 80 characters in one line warning reported by the
> checkpatch.pl script.
>
> v4->v5:
> * None.
>
> v3->v4:
> * None.
>
> v2->v3:
> * None.
>
> v1->v2:
> * Thierry Reding suggested that the mipi_dsi_pixel_format_to_bpp() function
> could be placed at the common DRM MIPI DSI driver.
> This patch is newly added.
>
> include/drm/drm_mipi_dsi.h | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
> index f1d8d0d..3662021 100644
> --- a/include/drm/drm_mipi_dsi.h
> +++ b/include/drm/drm_mipi_dsi.h
> @@ -163,6 +163,20 @@ static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev)
> return container_of(dev, struct mipi_dsi_device, dev);
> }
>
> +static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)

Kerneldoc seems to be missing for this one.
-Daniel

> +{
> + switch (fmt) {
> + case MIPI_DSI_FMT_RGB888:
> + case MIPI_DSI_FMT_RGB666:
> + return 24;
> + case MIPI_DSI_FMT_RGB666_PACKED:
> + return 18;
> + case MIPI_DSI_FMT_RGB565:
> + return 16;
> + }
> + return -EINVAL;
> +}
> +
> struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);
> int mipi_dsi_attach(struct mipi_dsi_device *dsi);
> int mipi_dsi_detach(struct mipi_dsi_device *dsi);
> --
> 2.1.0
>
> _______________________________________________
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> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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