linux-kernel - Re: [PATCH 5/5] drm/repaper: Reduce temporary buffer size in repaper_fb

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Message-ID: <fcdcd046-63f5-495d-b5ad-f407592f2160@redhat.com>
Date:   Tue, 15 Mar 2022 13:36:29 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Noralf Trønnes <noralf@...nnes.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] drm/repaper: Reduce temporary buffer size in
 repaper_fb_dirty()

On 3/15/22 12:07, Geert Uytterhoeven wrote:
> As the temporary buffer is no longer used to store 8-bit grayscale data,
> its size can be reduced to the size needed to store the monochrome
> bitmap data.
> 
> Fixes: 24c6bedefbe71de9 ("drm/repaper: Use format helper for xrgb8888 to monochrome conversion")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
> Untested due to lack of hardware.
> 

Patch looks good to me but I also don't have this hardware.

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

--
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat