Messages in this thread Patch in this message | | | From | Eric Anholt <> | Subject | [PATCH 1/4] drm/v3d: Add a note about OOM vs FRDONE, which may be racing on v3.3. | Date | Wed, 13 Mar 2019 16:52:08 -0700 |
| |
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@anholt.net> --- 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. */ schedule_work(&v3d->overflow_mem_work); status = IRQ_HANDLED; -- 2.20.1
| |