Re: [PATCH v2 4/6] drm/fourcc: Pass the format_info pointer to drm_format_plane_cpp

From: Ville Syrjälä
Date: Fri May 10 2019 - 12:01:57 EST

On Fri, May 10, 2019 at 01:08:49PM +0200, Maxime Ripard wrote:
> So far, the drm_format_plane_cpp function was operating on the format's
> fourcc and was doing a lookup to retrieve the drm_format_info structure and
> return the cpp.
> However, this is inefficient since in most cases, we will have the
> drm_format_info pointer already available so we shouldn't have to perform a
> new lookup. Some drm_fourcc functions also already operate on the
> drm_format_info pointer for that reason, so the API is quite inconsistent
> there.
> Let's follow the latter pattern and remove the extra lookup while being a
> bit more consistent. In order to be extra consistent, also rename that
> function to drm_format_info_plane_cpp and to a static function in the
> header to match the current policy.

Is there any point keeping the function at all?
It's just info->cpp[i] no?

Ville Syrjälä