Re: i915: wrong framebuffer size in 2.6.36-rc3
- From: Ivan Bulatovic <combuster@xxxxxxx>
- Date: Mon, 30 Aug 2010 15:46:29 +0200
On Mon, 2010-08-30 at 12:57 +0300, Pekka Enberg wrote:
On Mon, Aug 30, 2010 at 12:36 PM, Sven Joachim <svenjoac@xxxxxx> wrote:
On my laptop which has a 1280x800 display, only the upper left 848x480
pixels are used on the console in 2.6.36-rc3. The resolution is
correct, but /sys/class/graphics/fb0/modes looks like this:
U:848x480p-0
This is a regression from 2.6.35. The graphics card according to lspci:
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller (rev 03)
Yeah, you're not alone on this:
http://lkml.org/lkml/2010/8/23/452
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If that's the only problem you have then revert this commit:
commit
9559fcdbff4f93d29af04478bbc48294519424f5
drm/i915: fix vblank wait test condition
When converting this to the new wait_for macro I inverted the wait
condition, which causes all sorts of problems. So correct it to fix
several failures caused by the bad wait (flickering, bad output
detection, tearing, etc.).
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Tested-by: Sitsofe Wheeler <sitsofe@xxxxxxxxx>
Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9559fcdbff4f93d29af04478bbc48294519424f5
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- References:
- i915: wrong framebuffer size in 2.6.36-rc3
- From: Sven Joachim
- Re: i915: wrong framebuffer size in 2.6.36-rc3
- From: Pekka Enberg
- i915: wrong framebuffer size in 2.6.36-rc3
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