On Thu, 15 Oct 2026 19:22:31 +0100 Adrián Larumbe <[email protected]> wrote:
> From: Boris Brezillon <[email protected]> > > If we don't do that, we end up with invalid timestamps in the block > headers. > > Fixes: 7786fd108777 ("drm/panfrost: Expose performance counters through > unstable ioctls") > Signed-off-by: Boris Brezillon <[email protected]> Let's make sure this is merged in the same release the perfcnt uAPI changes are in, so userspace can check the driver version to know if the fix is present or not (we have a workaround in mesa for that which we can drop when the fix is in). > --- > drivers/gpu/drm/panfrost/panfrost_perfcnt.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c > b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c > index a9def452d5ef..b26da057a1a0 100644 > --- a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c > +++ b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c > @@ -17,6 +17,7 @@ > #include "panfrost_device.h" > #include "panfrost_features.h" > #include "panfrost_gem.h" > +#include "panfrost_gpu.h" > #include "panfrost_issues.h" > #include "panfrost_job.h" > #include "panfrost_mmu.h" > @@ -52,6 +53,7 @@ static void panfrost_perfcnt_hw_disable(struct > panfrost_device *pfdev) > gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0); > > if (perfcnt->owns_as_ref) { > + panfrost_cycle_counter_put(pfdev); > panfrost_mmu_as_put(pfdev, perfcnt->mapping->mmu); > perfcnt->owns_as_ref = false; > } > @@ -84,6 +86,7 @@ static int panfrost_perfcnt_hw_enable(struct > panfrost_device *pfdev) > return ret; > > perfcnt->owns_as_ref = true; > + panfrost_cycle_counter_get(pfdev); > > as = ret; > cfg = GPU_PERFCNT_CFG_AS(as) | >
