Re: [PATCH 0/2] gpu: host1x: syncpt_wait micro-optimizations

[Thierry Reding]

On Thu, May 14, 2026 at 10:31:51AM +0000, 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

Both patches applied, thanks.

Thierry

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