linux-kernel - Re: [Intel-gfx] linux-next: Tree for Jul 25 [ call-trace: drm

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Date:	Fri, 26 Jul 2013 12:34:51 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Daniel Vetter <daniel.vetter@...ll.ch>
Cc:	David Herrmann <dh.herrmann@...il.com>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	DRI <dri-devel@...ts.freedesktop.org>,
	linux-next <linux-next@...r.kernel.org>
Subject: Re: [Intel-gfx] linux-next: Tree for Jul 25 [ call-trace: drm |
 drm-intel related? ]

On Fri, Jul 26, 2013 at 11:32 AM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> On Fri, Jul 26, 2013 at 11:16 AM, Daniel Vetter <daniel.vetter@...ll.ch> wrote:
>> On Fri, Jul 26, 2013 at 11:11 AM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>>
>>> I have compared next-20130725 VS. next-20130726:
>>>
>>> $ head -2313 next-20130725-VS-next-20130726.diff | grep ^+ | grep i915
>>> +      drm/i915: Colocate all GT access routines in the same file
>>> +      drm/i915: Use a private interface for register access within GT
>>> +      drm/i915: Use the common register access functions for NOTRACE variants
>>> +      drm/i915: Squash gen lookup through multiple indirections
>>> inside GT access
>>> +      drm/i915: Convert the register access tracepoint to be conditional
>>> +      drm/i915: fix the racy object accounting
>>> +      drm/i915: dvo_ch7xxx: fix vsync polarity setting
>>> +      drm/i915: initialize gt_lock early with other spin locks
>>> +      Revert "ACPI / video / i915: No ACPI backlight if firmware
>>> expects Windows 8"
>>> + drivers/gpu/drm/i915/Makefile                      |    2 +
>>> + drivers/gpu/drm/i915/dvo_ch7xxx.c                  |    2 +-
>>> + drivers/gpu/drm/i915/i915_debugfs.c                |  836 +--
>>> + drivers/gpu/drm/i915/i915_dma.c                    |   91 +-
>>> + drivers/gpu/drm/i915/i915_drv.c                    |  292 +-
>>> + drivers/gpu/drm/i915/i915_drv.h                    |  413 +-
>>> + drivers/gpu/drm/i915/i915_gem.c                    |  411 +-
>>> + drivers/gpu/drm/i915/i915_irq.c                    | 1347 ++---
>>> + drivers/gpu/drm/i915/i915_trace.h                  |   16 +-
>>> + drivers/gpu/drm/i915/intel_display.c               | 1065 ++--
>>> + drivers/gpu/drm/i915/intel_drv.h                   |   36 +-
>>> + drivers/gpu/drm/i915/intel_pm.c                    |  431 +-
>>> + drivers/gpu/drm/i915/intel_uncore.c                |  595 +++
>>>
>>> Any hints which of the commits could be culprit?
>>
>> None, it's the vma offset manager stuff in drm-next.
>>
>> diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
>> index 3613b50..1f76572 100644
>> --- a/drivers/gpu/drm/drm_gem.c
>> +++ b/drivers/gpu/drm/drm_gem.c
>> @@ -666,7 +666,7 @@ int drm_gem_mmap(struct file *filp, struct
>> vm_area_struct *vma)
>>         }
>>
>>         obj = container_of(node, struct drm_gem_object, vma_node);
>> -       ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node), vma);
>> +       ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node) << PAGE_SHIFT, vma);
>>
>>         mutex_unlock(&dev->struct_mutex);
>>
>>
>> That should fix stuff up again, David Herrmann is working on a real
>> patch already.
>>
>
> The fix can be found at [1].
>

v2: https://patchwork.kernel.org/patch/2833959/

- Sedat -

> - Sedat -
>
> [1] https://patchwork.kernel.org/patch/2833932/
>
>> Cheers, Daniel
>> --
>> Daniel Vetter
>> Software Engineer, Intel Corporation
>> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
--
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