Re: lxfb driver regression

[Andrew Morton]

On Wed, 7 May 2008 21:08:36 -0400 Andres Salomon <dilinger@xxxxxxxxxx> wrote:

> Hi,
> 
> I noticed that a patch from you went into 2.6.26-rc1 to adjust the PLL table
> in the lxfb driver.  Unfortunately, it breaks on OLPC machines (I haven't
> tested it on other Geode platforms yet, but I don't have any other Geodes
> with panels anyways).  It's this commit:
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3888d4639e78802c4ec1086127124e890461b9e4
> 
> Without this patch, I get the following (correct) output from the lxfb
> and console code:
> 
> [    0.939827] lxfb 0000:00:01.1: 16384 KB of video memory at 0xfd000000
> [    1.009194] Console: switching to colour frame buffer device 150x56     
> 
> Without it, the cols/width is screwy (and I get a blank white screen):
> 
> [   20.706836] lxfb 0000:00:01.1: 16384 KB of video memory at 0xfd000000
> [   20.788538] Console: switching to colour frame buffer device 100x40        

I queued a reversion but (as is often the case with non-critical
regressions) I'll hold off for a few days, see if we can get things fixed
up.

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