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

From: Geert Uytterhoeven
Date: Fri Jul 14 2023 - 07:32:27 EST


Hi Javier,

On Fri, Jul 14, 2023 at 12:25 PM Javier Martinez Canillas
<javierm@xxxxxxxxxx> wrote:
> 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 ?

Oops, that was unintentional. Will fix in v2.

> The rest of the patch looks good to me though.
>
> Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>

Thanks!

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds