[Intel-gfx] [PATCH 8/9] drm/i915: Stop inlining the execlists IRQ handler

Mika Kuoppala mika.kuoppala at linux.intel.com
Thu May 4 13:55:04 UTC 2017


Chris Wilson <chris at chris-wilson.co.uk> writes:

> As the handler is now quite complex, involving a few atomics, the cost
> of the function preamble is negligible in comparison and so we should
> leave the function out-of-line for better I$.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

> ---
>  drivers/gpu/drm/i915/i915_irq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 86ede88daaab..8f60c8045b3e 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1353,7 +1353,7 @@ static void snb_gt_irq_handler(struct drm_i915_private *dev_priv,
>  		ivybridge_parity_error_irq_handler(dev_priv, gt_iir);
>  }
>  
> -static __always_inline void
> +static void
>  gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift)
>  {
>  	bool tasklet = false;
> -- 
> 2.11.0
>
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