[PATCH] drm: Nuke drm_framebuffer->helper_private

[David Herrmann]

Hi

On Thu, Sep 10, 2015 at 10:39 PM, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> It's completely unused and there's really no reason for this:
> - drm_framebuffer structures are invariant after creation, no need for
>   helpers to manipulate them.
> - drm_framebuffer structures should just be embedded (and that's what
>   all the drivers do).
>
> Stumbled over this since some folks are apparently concerned with the
> overhead of struct drm_framebuffer and this is an easy 8 byte saving.
>
> More could be gained by ditching the legacy fields and recomputing
> stuff from the fourcc value. But that would require some drm-wide
> cocci and real justification.
>
> Cc: gary.k.smith at intel.com
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  include/drm/drm_crtc.h | 2 --
>  1 file changed, 2 deletions(-)

Reviewed-by: David Herrmann <dh.herrmann at gmail.com>

Thanks
David

> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 75f49c1ef8bb..c0366e9152e2 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -210,8 +210,6 @@ struct drm_framebuffer {
>         int flags;
>         uint32_t pixel_format; /* fourcc format */
>         struct list_head filp_head;
> -       /* if you are using the helper */
> -       void *helper_private;
>  };
>
>  struct drm_property_blob {
> --
> 2.5.1
>
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