From: Bill Gatliff <bgat@billgatliff•com>
To: Roman Fietze <roman.fietze@telemotive•de>
Cc: linuxppc-dev@lists•ozlabs.org
Subject: Re: Xorg on Fujitsu "Lime" with MPC5200b?
Date: Thu, 15 Apr 2010 08:01:59 -0500 [thread overview]
Message-ID: <4BC70E47.9010408@billgatliff.com> (raw)
In-Reply-To: <201004150921.47268.roman.fietze@telemotive.de>
Roman Fietze wrote:
> Hallo Bill,
>
> On Thursday 15 April 2010 05:07:08 Bill Gatliff wrote:
>
>
>> Actually, I *have* Debian squeeze's xorg running on the platform just
>> fine, with a 2.6.34-rc1 kernel (kernel.org). Problem is, every single
>> diagonal line is very blocky--- not smooth at all.
>>
>
> I'm 95% sure it's an endianess problem, on our boards we had to modify
> the X11 driver. What I did was swapping bytes when updating the device
> from the shadowfb inside programs/Xserver/miext/shadow/shpacked.c
>
Are you talking about this code here?
void
shadowUpdatePacked (ScreenPtr pScreen,
shadowBufPtr pBuf)
{
...
while (i--)
*win++ = *sha++;
Do I endian-swap each *sha? Or, do I reorder the sha array before
dereferencing it (e.g. each *sha is right, but adjacent ones are in the
wrong order)?
b.g.
--
Bill Gatliff
bgat@billgatliff•com
next prev parent reply other threads:[~2010-04-15 13:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-15 3:07 Xorg on Fujitsu "Lime" with MPC5200b? Bill Gatliff
2010-04-15 4:53 ` Benjamin Herrenschmidt
2010-04-15 7:21 ` Roman Fietze
2010-04-15 13:01 ` Bill Gatliff [this message]
2010-04-15 13:53 ` Roman Fietze
[not found] ` <v2ma0706c7b1004150906p34b853a0r80e2bb751e034b97@mail.gmail.com>
2010-04-15 16:07 ` Bill Gatliff
2010-04-16 6:14 ` Roman Fietze
2010-04-16 8:30 ` Michel Dänzer
2010-04-15 20:14 ` Bill Gatliff
2010-04-16 5:48 ` Roman Fietze
2010-04-16 2:51 ` Bill Gatliff
2010-04-16 8:28 ` Roman Fietze
2010-04-16 9:25 ` Gabriel Paubert
2010-04-15 7:44 ` Anatolij Gustschin
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