[Intel-gfx] [PATCH v2 0/4] drm/exynos, intel: fix locking for flip/vbl event list
Rob Clark
rob.clark at linaro.org
Wed Nov 7 17:28:34 CET 2012
On Wed, Nov 7, 2012 at 10:25 AM, Inki Dae <inki.dae at samsung.com> wrote:
>
>
> 2012/11/7 Imre Deak <imre.deak at intel.com>
>>
>> On Wed, 2012-11-07 at 18:31 +0900, Inki Dae wrote:
>> > 2012/11/2 Imre Deak <imre.deak at intel.com>
>> > The patchset adds the missing event_lock when accessing the
>> > vblank_event_list in drm_vblank_off() and as preparation for
>> > this
>> > also fixes a few other issues in the exynos driver.
>> > This is also a dependency for Rob Clark's
>> > drm_send_vblank_event()
>> > rework as that would trigger a warning for the unhold
>> > event_lock without
>> > this changeset.
>> > The exynos changes are only compile tested, the rest is tested
>> > on an
>> > Intel IVB machine on top of drm-intel-nightly +
>> > drm_send_vblank_event()
>> > rework, with i-g-t/flip_test.
>> > Hi Imre,
>> > Works fine. But we should wait for Rob's patch set to be merged to
>> > -next, and this may be rebased on top of latest Rob's patch set again.
>>
>> Ok, thanks for checking this. I assume then that this patchset will get
>> merged through your tree.
>>
>> I think Rob's patchset depends on this, so ideally this should go first.
>> Otherwise the i915 driver would trigger the WARN in his patchset due to
>> the unheld event_lock.
>
>
> Ok, but I merge it first, shouldn't Rob's patch set be rebased? Anyway this
> is minor issue so I could resolve it. And it seems like that your patch set
> has no dependency of Rob's. I mean that your patch set worked fine without
> Rob's.
I think there should be no hard dependency on my patch set.. the only
connection is that my patchset without this patch will start showing
the WARN_ON() traces
BR,
-R
> Thanks,
> Inki Dae
>
>>
>>
>> --Imre
>>
>>
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>
>
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