From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andreas Schwab <schwab@suse.de>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>
Subject: Re: Radeon blanking broken
Date: Fri, 14 Jan 2005 11:15:36 +1100 [thread overview]
Message-ID: <1105661736.27411.25.camel@gaston> (raw)
In-Reply-To: <jeis6ijlt1.fsf@sykes.suse.de>
On Fri, 2004-12-31 at 20:43 +0100, Andreas Schwab wrote:
> The radeonfb blanking rework has broken it on the iBook G3 wit Radeon M6.
> When the X server enables DPMS the backlight stays on and the display gets
> in a strange state, gradually fading off. When I revert the changes to
> radeon_screen_blank, radeonfb_blank and radeon_set_backlight_enable it
> works again.
This is a real pain actually... I can't seem to find a sequence that
will do proper blanking of the LCD on all models...
It seems each LCD model need a slightly different set of timings etc...
for the blanking procedure.
Ben.
prev parent reply other threads:[~2005-01-14 0:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-31 19:43 Radeon blanking broken Andreas Schwab
2005-01-14 0:15 ` Benjamin Herrenschmidt [this message]
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