On Thursday, May 14, 2026 7:31 PM Tanmay Patil wrote: > This series reduces the latency in host1x syncpoint wait path. > > Patch 1 removes redundant MMIO reads in host1x_syncpt_wait(). > Patch 2 skips the host1x_intr_update_hw_state() call in the ISR > when no fences remain. > > Measured syncpoint wait latency (50000 samples): > Average latency: 12.2 us -> 9.4 us > 99.99 pct latency: 62.96 us -> 36.58 us > > Tanmay Patil (2): > gpu: host1x: skip redundant syncpoint loads in host1x_syncpt_wait() > gpu: host1x: skip redundant HW state update > > drivers/gpu/host1x/intr.c | 8 ++++++-- > drivers/gpu/host1x/syncpt.c | 23 ++++++++++++++--------- > 2 files changed, 20 insertions(+), 11 deletions(-) > > -- > 2.54.0 > >
Thank you! Acked-by: Mikko Perttunen <[email protected]>
