[Intel-gfx] commit drm/i915: disable shared panel fitter for pipe breaks resolution switching

[Daniel Vetter]

Hi Hans,

Can you please test with 3.9-rc1? That contains an additional patch
which might prevent the regression. Specifically

commit 9d6d9f19e8146fa24903cb561e204a22232740e3
Author: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Date:   Fri Feb 8 16:35:38 2013 +0200

    drm/i915: clean up panel fitter handling in lvds

Thanks, Daniel

On Sun, Mar 3, 2013 at 9:10 PM, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> On Sat, Mar 2, 2013 at 8:40 PM, Hans de Bruin <jmdebruin at xmsnet.nl> wrote:
>> Mika,
>>
>> I am a huge van of ald dos games. Since commit
>> 24a1f16de97c4cf0029d9acd04be06db32208726, "drm/i915: disable shared panel
>> fitter for pipe" my laptop does not change resolution when I use xdosemu
>> full screen. The screen is just moved to the upper left corner and is not
>> scaled up to fill the screen.
>
> Adding relevent mailing lists, please always cc lists when reporting bugs.
> -Daniel
>
>>
>> --
>> Hans
>>
>> I have a del latitude d430. lspci reports:
>>
>> 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
>> 943/940GML Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA
>> controller])
>>         Subsystem: Dell Device 0201
>>         Flags: bus master, fast devsel, latency 0, IRQ 16
>>         Memory at eff00000 (32-bit, non-prefetchable) [size=512K]
>>         I/O ports at eff8 [size=8]
>>         Memory at d0000000 (32-bit, prefetchable) [size=256M]
>>         Memory at efec0000 (32-bit, non-prefetchable) [size=256K]
>>         Expansion ROM at <unassigned> [disabled]
>>         Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
>>         Capabilities: [d0] Power Management version 2
>>         Kernel driver in use: i915
>>
>> 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME,
>> 943/940GML Express Integrated Graphics Controller (rev 03)
>>         Subsystem: Dell Device 0201
>>         Flags: bus master, fast devsel, latency 0
>>         Memory at eff80000 (32-bit, non-prefetchable) [size=512K]
>>         Capabilities: [d0] Power Management version 2
>>
>>
>> lcpi:
>>
>>
>
>
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch