[PATCH v2] drm/vc4: Return -EBUSY if there's already a pending flip event.

[Robert Foss]

Thanks Eric!

On 2016-05-10 01:06 PM, Eric Anholt wrote:
> Robert Foss <robert.foss at collabora.com> writes:
>
>> On 2016-05-03 03:22 PM, Eric Anholt wrote:
>>> robert.foss at collabora.com writes:
>>>
>>>> From: Robert Foss <robert.foss at collabora.com>
>>>>
>>>> As per the documentation in drm_crtc.h, atomic_commit should return
>>>> -EBUSY if an asycnhronous update is requested and there is an earlier
>>>> update pending.
>>>>
>>>> Note: docs cited here are drm_crtc.h, and the whole quote is:
>>>>
>>>>       *  - -EBUSY, if an asynchronous updated is requested and there is
>>>>       *    an earlier updated pending. Drivers are allowed to support a queue
>>>>       *    of outstanding updates, but currently no driver supports that.
>>>>       *    Note that drivers must wait for preceding updates to complete if a
>>>>       *    synchronous update is requested, they are not allowed to fail the
>>>>       *    commit in that case.
>>>>
>>>> Signed-off-by: Robert Foss <robert.foss at collabora.com>
>>>
>>> This looks good to me.  Let's give it a few days on the list for any
>>> other KMS folks to catch anything.
>>>
>>
>> I haven't seen any further feedback regarding this patch.
>> Does anyone have objections to it being merged?
>
> I merged it to drm-vc4-next last night, actually :)
>