On 21/06/2021 14:39, Boris Brezillon wrote:
Things are unlikely to resolve until we reset the GPU. Let's not wait for other faults/timeout to happen to trigger this reset.
Signed-off-by: Boris Brezillon boris.brezillon@collabora.com
This one still haunts me... ;)
Reviewed-by: Steven Price steven.price@arm.com
drivers/gpu/drm/panfrost/panfrost_mmu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index d5c624e776f1..d20bcaecb78f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -36,8 +36,11 @@ static int wait_ready(struct panfrost_device *pfdev, u32 as_nr) ret = readl_relaxed_poll_timeout_atomic(pfdev->iomem + AS_STATUS(as_nr), val, !(val & AS_STATUS_AS_ACTIVE), 10, 1000);
- if (ret)
if (ret) {
/* The GPU hung, let's trigger a reset */panfrost_device_schedule_reset(pfdev);dev_err(pfdev->dev, "AS_ACTIVE bit stuck\n");
}
return ret;
}