[git pull] drm fixes for -rc1

[Pekka Enberg]

On Mon, Mar 28, 2011 at 9:43 PM, Pekka Enberg <penberg at kernel.org> wrote:
> On Thu, Mar 24, 2011 at 1:34 PM, Dave Airlie <airlied at linux.ie> wrote:
>> It should have the fix for your i915 in the intel patches, along with
>> a couple of radeon fixes, and the vblank change + fix.
>
> I'm seeing some laptop screen flicker during boot and a while after I
> log in (it then seems to go away). It's my trusty old Macbook with
> i915 and Ubuntu 10.04. I see this in dmesg:
>
> [    1.782046] [drm] initialized overlay support
> [    1.782075] [drm] capturing error event; look for more information
> in /debug/dri/0/i915_error_state
> [    1.782889] render error detected, EIR: 0x00000010
> [    1.782933] page table error
> [    1.782970]   PGTBL_ER: 0x00000102
> [    1.783009] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck:
> 0x00000010, masking
> [    1.783063] render error detected, EIR: 0x00000010
> [    1.783106] page table error
> [    1.783143]   PGTBL_ER: 0x00000102
>
> I'm attaching the full dmesg, i915_error_state, and .config.

I'm also seeing these errors now which seem to be new from 2.6.38-final:

[  437.566022] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a
purgeable buffer
[  437.566187] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a
purgeable buffer
[  437.566232] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a
purgeable buffer
[  437.566275] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a
purgeable buffer
[  437.566318] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a
purgeable buffer