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From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: Michael Schmitz <schmitz@zirkon•biophys.uni-duesseldorf.de>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs•org>,
	"debian-powerpc@lists•debian.org"
	<debian-powerpc@lists•debian.org>
Subject: Re: TEST: Sleep patch #4
Date: Wed, 24 Nov 2004 10:27:03 +1100	[thread overview]
Message-ID: <1101252423.24531.23.camel@gaston> (raw)
In-Reply-To: <Pine.LNX.4.44.0411231224150.7434-100000@zirkon.biophys.uni-duesseldorf.de>


> Looking at radeon_base.c:radeon_screen_blank() (line 1045) we have:
> 
>                         val &= ~(LVDS_BL_MOD_EN);
>                         udelay(100);
>                         val &= ~(LVDS_ON | LVDS_EN);
>                         OUTREG(LVDS_GEN_CNTL, val);
> 
> 
> Is there an OUTREG(LVDS_GEN_CNTL, val); missing before the udelay(100) ??
> 
> That's in the panel blank code, not the unblank code though. Doesn't seem
> to hurt to put the OUTREG in.

won't hurt, dunno if it will help tho... could also be a different
issue, like the spread spectrum PLL not locking properly or something
like that ... I don't really know.

Ben.

  reply	other threads:[~2004-11-23 23:27 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-19  6:56 TEST: Sleep suppport for iBook G4 & Aluminium PowerBooks (ATI based) Benjamin Herrenschmidt
2004-11-19  8:50 ` David Woodhouse
2004-11-19 10:33   ` Benjamin Herrenschmidt
2004-11-19 11:06 ` Gabriel Paubert
2004-11-19 22:14   ` Benjamin Herrenschmidt
2004-11-19 19:02 ` Olof Johansson
     [not found] ` <1100852423.3855.2.camel@gaston>
2004-11-21  0:01   ` Benjamin Herrenschmidt
2004-11-21  3:00     ` Armando Di Cianno
2004-11-21  7:11       ` Benjamin Herrenschmidt
2004-11-21 17:37     ` Olof Johansson
2004-11-21 21:36       ` Benjamin Herrenschmidt
2004-11-22  8:25       ` David Woodhouse
2004-11-22  0:32   ` TEST: Sleep patch #4 Benjamin Herrenschmidt
2004-11-22  3:12     ` Armando Di Cianno
2004-11-22 13:29     ` Sean Neakums
2004-11-22 16:38       ` Keith Conger
2004-11-22 16:58         ` Keith Conger
2004-11-22 21:48           ` Benjamin Herrenschmidt
2004-11-22 18:36         ` Sean Neakums
2004-11-22 21:52           ` Benjamin Herrenschmidt
2004-11-23  8:27             ` Sean Neakums
2004-11-23 23:25               ` Benjamin Herrenschmidt
2004-11-23  7:58           ` Guido Guenther
2004-11-23  8:40             ` Sean Neakums
2004-11-22 21:13         ` Michel Dänzer
2004-11-22 21:48         ` Benjamin Herrenschmidt
2004-11-22 17:04     ` Michael Schmitz
2004-11-22 21:50       ` Benjamin Herrenschmidt
2004-11-23  8:05         ` Michael Schmitz
2004-11-23 12:28         ` Michael Schmitz
2004-11-23 23:27           ` Benjamin Herrenschmidt [this message]
2004-11-23  1:40     ` Chris Anderson

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