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From: Andrew Morton <akpm@linux-foundation.org>
To: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [PATCH] tridentfb: acceleration code improvements
Date: Thu, 15 May 2008 15:56:14 -0700	[thread overview]
Message-ID: <20080515155614.ca818e04.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080514071200.4f2409b0.krzysztof.h1@poczta.fm>

On Wed, 14 May 2008 07:12:00 +0200
Krzysztof Helt <krzysztof.h1@poczta.fm> wrote:

> This patch brings various acceleration improvements:
> - set  copyarea/fillrect for non-accelerated framebuffer (fix)
> - remove 15 bpp depth handling to simplify code as it hardly 
>   works (15 bpp handling was obviously missing in some switches)
> - add fb_sync call and move waiting before accelerated function
>   to make acceleration more asynchronous to cpu (few % of speed
>   improvement)
> - add cpu_relax() call in waiting loops
> - make longer register names and name more registers
> - move registers' definition to header
> - general code improvements (shortening, simplifying)

checkpatch whines:

ERROR: space required after that ',' (ctx:VxV)
#543: FILE: include/video/trident.h:7:
+#define debug(f,a...)  printk("%s:" f,  __FUNCTION__ , ## a);mdelay(100);
                ^

ERROR: space required after that ';' (ctx:VxV)
#543: FILE: include/video/trident.h:7:
+#define debug(f,a...)  printk("%s:" f,  __FUNCTION__ , ## a);mdelay(100);
                                                             ^

ERROR: Macros with multiple statements should be enclosed in a do - while loop
#543: FILE: include/video/trident.h:7:
+#define debug(f,a...)  printk("%s:" f,  __FUNCTION__ , ## a);mdelay(100);

WARNING: __func__ should be used instead of gcc specific __FUNCTION__
#543: FILE: include/video/trident.h:7:
+#define debug(f,a...)  printk("%s:" f,  __FUNCTION__ , ## a);mdelay(100);


perhaps that's all in your todo somewhere.


Also that macro is plain wrong:

	if (foo)
		debug(...);
	else
		something();

won't compile.  Using the do{...}while(0) thing or perhaps {(...)} will fix.

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  reply	other threads:[~2008-05-15 22:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-14  5:12 [PATCH] tridentfb: acceleration code improvements Krzysztof Helt
2008-05-15 22:56 ` Andrew Morton [this message]
2008-05-16  4:46   ` Krzysztof Helt
2008-05-16  5:16     ` Andrew Morton

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