[PATCH 1/4] drm/v3d: Add a note about OOM vs FRDONE, which may be racing on v3.3.

[Eric Anholt]

Dave Emett <david.emett at broadcom.com> writes:

> On Wed, 13 Mar 2019 at 23:52, Eric Anholt <eric at anholt.net> wrote:
>>
>> We deref v3d->bin_job in the work handler, but v3d->bin_job doesn't
>> actually hold a ref on the job.
>>
>> Signed-off-by: Eric Anholt <eric at anholt.net>
> Reviewed-by: Dave Emett <david.emett at broadcom.com>
>
>> ---
>>  drivers/gpu/drm/v3d/v3d_irq.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
>> index b4d6ae81186d..a09442ec7297 100644
>> --- a/drivers/gpu/drm/v3d/v3d_irq.c
>> +++ b/drivers/gpu/drm/v3d/v3d_irq.c
>> @@ -87,7 +87,8 @@ v3d_irq(int irq, void *arg)
>>         if (intsts & V3D_INT_OUTOMEM) {
>>                 /* Note that the OOM status is edge signaled, so the
>>                  * interrupt won't happen again until the we actually
>> -                * add more memory.
>> +                * add more memory.  Also, as of V3D 4.1, FRDONE won't
>> +                * be reported until any OOM state has been cleared.
> Strictly speaking it's FLDONE for bins.

Fixed, thanks.

I'm applying the first 2 of the series for now.
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