Thread (21 messages) 21 messages, 6 authors, 2005-08-12

Re: Re: [PATCH] mach64 atari patch

From: "Antonino A. Daplas" <adaplas@gmail.com>
Date: 2005-08-10 01:47:12

Antonino A. Daplas wrote:
James Simmons wrote:
quoted
quoted
Please, my patch (based from Jon's) is huge because it's removing > 
200 lines
and it's moving softcursor.c from drivers/video to 
drivers/video/console where
it belongs. But it is _not_ intrusive. In fact, the majority of the 
patch consists
of a single logical change which removes the line below from each 
driver

- .fb_cursor = softcursor;

and removes the line below from drivers/video/Kconfig.

- select FB_SOFT_CURSOR

Our proposal aims to make complex code simpler and big code smaller. 
Your patch,
on the other hand, although small, introduces another flag 
FB_HWCURSOR_SOFTCURSOR,
which is redundant, and adds yet another level of complexity to an 
already too
complex code.
I ask you the same question as Jon. Currently several fbdev drivers 
have a optional flag to turn on and off the hardware cursor. Should 
this functionality
be removed and force all fbdev drivers to always have the hardware 
cursor avaiable. Thus leaving fbcon to control when to use the 
hardware cursor or the software cursor. It all comes down to who 
controls when the hardware driver will use the hardware cursor. As 
noted several drivers have such a flag. You would have to strip that 
flag out of the drivers as well.

.
BTW, the only drivers that have working hardware cursor support are 
rivafb, intelfb,
nvidiafb, and i810fb. Except for intelfb, I wrote all of them, if not 
the driver, the
hardware cursor support. And intelfb's cursor support was based on 
i810fb.
Erratum: Mach64 also has hardware cursor support, which looks like is 
working. So
I take the above statement back.

Tony


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