linux-kernel - Re: [PATCH v3 3/9] drm/mipi-dsi: mipi_dsi_*_write functions don't need to ratelimit prints

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Date: Thu, 2 May 2024 10:16:10 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Douglas Anderson <dianders@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, Jani Nikula <jani.nikula@...ux.intel.com>, 
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
	Cong Yang <yangcong5@...qin.corp-partner.google.com>, Hsin-Yi Wang <hsinyi@...gle.com>, 
	Brian Norris <briannorris@...omium.org>, Sam Ravnborg <sam@...nborg.org>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Javier Martinez Canillas <javierm@...hat.com>, 
	Joel Selvaraj <jo@...amily.in>, lvzhaoxiong@...qin.corp-partner.google.com, 
	Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...il.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/9] drm/mipi-dsi: mipi_dsi_*_write functions don't
 need to ratelimit prints

On Wed, May 1, 2024 at 5:43 PM Douglas Anderson <dianders@...omium.org> wrote:

> We really don't expect these errors to be printed over and over
> again. When a driver hits the error it should bail out. Just use a
> normal error print.
>
> This gives a nice space savings for users of these functions:
>
> $ scripts/bloat-o-meter \
>   .../before/panel-novatek-nt36672e.ko \
>   .../after/panel-novatek-nt36672e.ko
> add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-16760 (-16760)
> Function                                     old     new   delta
> nt36672e_1080x2408_60hz_init               17080   10640   -6440
> nt36672e_1080x2408_60hz_init._rs           10320       -  -10320
> Total: Before=31815, After=15055, chg -52.68%
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

OK then!
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij