diff mbox

[8/9] drm/i915: Stop inlining the execlists IRQ handler

Message ID 20170503113759.31145-8-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson May 3, 2017, 11:37 a.m. UTC 
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@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Mika Kuoppala May 4, 2017, 1:55 p.m. UTC | #1 
Chris Wilson <chris@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@chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala@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
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

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;