linux-kernel - Re: [PATCH v2] video: fbdev: fix sys

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Date:	Fri, 30 Jan 2015 09:54:30 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Mans Rullgard <mans@...sr.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	<linux-fbdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] video: fbdev: fix sys_copyarea

On 22/01/15 03:19, Mans Rullgard wrote:
> The sys_copyarea() function performs the same operation as
> cfb_copyarea() but using normal memory access instead of I/O
> accessors.  Since the introduction of sys_copyarea(), there
> have been two fixes to cfb_copyarea():
> 
> - 00a9d699 ("framebuffer: fix cfb_copyarea")
> - 5b789da8 ("framebuffer: fix screen corruption when copying")
> 
> This patch incorporates the fixes into sys_copyarea() as well.
> 
> Signed-off-by: Mans Rullgard <mans@...sr.com>
> ---
> Changed in v2:
>  - Fixed wrong first/last calculation in bitcpy_rev()
> ---
>  drivers/video/fbdev/core/syscopyarea.c | 137 ++++++++++++++++-----------------
>  1 file changed, 65 insertions(+), 72 deletions(-)

Thanks, queued for 3.20.

This makes me wonder, though, if the sys and cfb versions could be
somehow combined...

 Tomi



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