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From: <benh@kernel.crashing.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Peter Horton <pdh@berserk.demon.co.uk>,
	Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Radeon frame buffer driver
Date: Wed, 10 Apr 2002 14:27:50 +0100	[thread overview]
Message-ID: <20020410132751.13616@mailhost.mipsys.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0204101403400.9914-100000@vervain.sonytel.be>

>Probably not (unless you can quote me on that :-)
>
>The color map is saved/restored in radeonfb_switch().
>
>Gr{oetje,eeting}s,

Yes, the console color map is, but isn't an fbdev app like MOL or
X supposed to restore it's own colormap when switched back in ?
Well, I may be able to quote you on this...

>>  - When using > 8 bit depth, who is supposed to set the linear
>>    gamma ramp ? (My understanding is that a client app is responsible
>>    to set it's own cmap properly, but it also looks like some apps
>>    rely on the default beeing set to a linear gamma ramp). Should
>>    I set it this way in set_par by default and then let the app
>>    eventually change it ?
>
>If your fbdev claims to be in truecolor mode, your fbdev should do it.
>If your fbdev claims to be in directcolor mode, the application should do it
>(if the app wants truecolor mode).

Ok, actually, you weren't talking about console switch. Though I'm pretty
sure MOL at least will properly restore it's colormap, I don't know for
XFree.

So Peter, it seems you have to save/restore it all finally.

Ben.



  reply	other threads:[~2002-04-10 12:27 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-10  0:12 [PATCH] Radeon frame buffer driver Peter Horton
2002-04-10  2:31 ` Jonathan A. Davis
2002-04-10  6:04 ` Ani Joshi
2002-04-10  9:06 ` benh
2002-04-10  9:40   ` Peter Horton
2002-04-10 10:57     ` benh
2002-04-10 10:19       ` Peter Horton
2002-04-10 11:06         ` Geert Uytterhoeven
2002-04-10 13:01           ` benh
2002-04-10 12:22             ` Geert Uytterhoeven
2002-04-10 13:27               ` benh [this message]
2002-04-10 13:03           ` Peter Horton
2002-04-10 13:14             ` Geert Uytterhoeven
2002-04-10 23:09           ` Peter Horton
2002-04-10 13:00         ` benh

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