[Intel-gfx] [PATCH 3/6] drm/i915/gt: Tidy repetition in declaring gen8+ interrupts

Mika Kuoppala mika.kuoppala at linux.intel.com
Tue Jan 28 12:32:07 UTC 2020


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

> We use the same interrupt mask for each engine, so define it once in a
> local and reuse.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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

> ---
>  drivers/gpu/drm/i915/gt/intel_gt_irq.c | 22 ++++++----------------
>  1 file changed, 6 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> index 71873a4cafc0..7278b10e1a03 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> @@ -344,25 +344,15 @@ void gen8_gt_irq_reset(struct intel_gt *gt)
>  
>  void gen8_gt_irq_postinstall(struct intel_gt *gt)
>  {
> -	struct intel_uncore *uncore = gt->uncore;
> -
>  	/* These are interrupts we'll toggle with the ring mask register */
> -	u32 gt_interrupts[] = {
> -		(GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
> -		 GT_CONTEXT_SWITCH_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
> -		 GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT |
> -		 GT_CONTEXT_SWITCH_INTERRUPT << GEN8_BCS_IRQ_SHIFT),
> -
> -		(GT_RENDER_USER_INTERRUPT << GEN8_VCS0_IRQ_SHIFT |
> -		 GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS0_IRQ_SHIFT |
> -		 GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT |
> -		 GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VCS1_IRQ_SHIFT),
> -
> +	const u32 irqs = GT_RENDER_USER_INTERRUPT | GT_CONTEXT_SWITCH_INTERRUPT;
> +	const u32 gt_interrupts[] = {
> +		irqs << GEN8_RCS_IRQ_SHIFT | irqs << GEN8_BCS_IRQ_SHIFT,
> +		irqs << GEN8_VCS0_IRQ_SHIFT | irqs << GEN8_VCS1_IRQ_SHIFT,
>  		0,
> -
> -		(GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT |
> -		 GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT)
> +		irqs << GEN8_VECS_IRQ_SHIFT,
>  	};
> +	struct intel_uncore *uncore = gt->uncore;
>  
>  	gt->pm_ier = 0x0;
>  	gt->pm_imr = ~gt->pm_ier;
> -- 
> 2.25.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx


More information about the Intel-gfx mailing list