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drm/panfrost: don't use pfdevfreq.busy_count to know if hw is idle 

This use devfreq variable that will be lock with spinlock in future
patches. We should either introduce a function to access this one
but as devfreq is optional let's just remove it.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200710095409.407087-4-peron.clem@gmail.com
This commit is contained in:
Clément Péron 2020-07-10 11:53:58 +02:00 committed by Rob Herring
parent 9713e942a5
commit eb9dd67249
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/panfrost/panfrost_job.c
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@ -581,10 +581,6 @@ int panfrost_job_is_idle(struct panfrost_device *pfdev)
struct panfrost_job_slot *js = pfdev->js;
int i;
/* Check whether the hardware is idle */
if (atomic_read(&pfdev->devfreq.busy_count))
return false;
for (i = 0; i < NUM_JOB_SLOTS; i++) {
/* If there are any jobs in the HW queue, we're not idle */
if (atomic_read(&js->queue[i].sched.hw_rq_count))