Re: [PATCH 6/8] drm/fb-helper: Pass buffer format via drm_fb_helper_surface_size

From: Javier Martinez Canillas
Date: Fri Jul 14 2023 - 06:26:16 EST


Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:

> drm_fb_helper_single_fb_probe() first calls drm_fb_helper_find_sizes(),
> followed by drm_fbdev_generic_helper_fb_probe():
> - The former tries to find a suitable buffer format, taking into
> account limitations of the whole display pipeline,
> - The latter just calls drm_mode_legacy_fb_format() again.
>
> Simplify this by passing the buffer format between these functions
> via a new buffer format member in the drm_fb_helper_surface_size
> structure.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---

[...]

> - drm_dbg_kms(dev, "surface width(%d), height(%d) and bpp(%d)\n",
> + drm_info(dev, "surface width(%d), height(%d), bpp(%d) and format(%p4cc)\n",

You are promoting a debug printout here to info but that change is not
mentioned in the commit message. If you think this will be useful, maybe
do it as a separate patch ?

The rest of the patch looks good to me though.

Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>

--
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat