Re: [PATCH 08/11] drm/i915/pvc: Interrupt support for new copy engines

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On Mon, 2022-05-02 at 09:34 -0700, Matt Roper wrote:
> This patch adds the interrupt handler support for

Imperative: Add the interrupt support for...

Otherwise:
Reviewed-by: Stuart Summers <stuart.summers@xxxxxxxxx>

> new copy engines.
> 
> Bspec: 54030
> Original-author: CQ Tang
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/gt/intel_gt_irq.c  | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/gt/intel_gt_regs.h |  4 ++++
>  2 files changed, 20 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> index 88b4becfcb17..3a72d4fd0214 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
> @@ -193,6 +193,14 @@ void gen11_gt_irq_reset(struct intel_gt *gt)
>  	/* Restore masks irqs on RCS, BCS, VCS and VECS engines. */
>  	intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK,	~0);
>  	intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK,	~0);
> +	if (HAS_ENGINE(gt, BCS1) || HAS_ENGINE(gt, BCS2))
> +		intel_uncore_write(uncore, XEHPC_BCS1_BCS2_INTR_MASK,
> ~0);
> +	if (HAS_ENGINE(gt, BCS3) || HAS_ENGINE(gt, BCS4))
> +		intel_uncore_write(uncore, XEHPC_BCS3_BCS4_INTR_MASK,
> ~0);
> +	if (HAS_ENGINE(gt, BCS5) || HAS_ENGINE(gt, BCS6))
> +		intel_uncore_write(uncore, XEHPC_BCS5_BCS6_INTR_MASK,
> ~0);
> +	if (HAS_ENGINE(gt, BCS7) || HAS_ENGINE(gt, BCS8))
> +		intel_uncore_write(uncore, XEHPC_BCS7_BCS8_INTR_MASK,
> ~0);
>  	intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK,	~0);
>  	intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK,	~0);
>  	if (HAS_ENGINE(gt, VCS4) || HAS_ENGINE(gt, VCS5))
> @@ -248,6 +256,14 @@ void gen11_gt_irq_postinstall(struct intel_gt
> *gt)
>  	/* Unmask irqs on RCS, BCS, VCS and VECS engines. */
>  	intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~smask);
>  	intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~smask);
> +	if (HAS_ENGINE(gt, BCS1) || HAS_ENGINE(gt, BCS2))
> +		intel_uncore_write(uncore, XEHPC_BCS1_BCS2_INTR_MASK,
> ~dmask);
> +	if (HAS_ENGINE(gt, BCS3) || HAS_ENGINE(gt, BCS4))
> +		intel_uncore_write(uncore, XEHPC_BCS3_BCS4_INTR_MASK,
> ~dmask);
> +	if (HAS_ENGINE(gt, BCS5) || HAS_ENGINE(gt, BCS6))
> +		intel_uncore_write(uncore, XEHPC_BCS5_BCS6_INTR_MASK,
> ~dmask);
> +	if (HAS_ENGINE(gt, BCS7) || HAS_ENGINE(gt, BCS8))
> +		intel_uncore_write(uncore, XEHPC_BCS7_BCS8_INTR_MASK,
> ~dmask);
>  	intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~dmask);
>  	intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~dmask);
>  	if (HAS_ENGINE(gt, VCS4) || HAS_ENGINE(gt, VCS5))
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> index aa2c0974b02c..fe09288a3145 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> @@ -1529,6 +1529,10 @@
>  #define GEN11_GUNIT_CSME_INTR_MASK		_MMIO(0x1900f4)
>  #define GEN12_CCS0_CCS1_INTR_MASK		_MMIO(0x190100)
>  #define GEN12_CCS2_CCS3_INTR_MASK		_MMIO(0x190104)
> +#define XEHPC_BCS1_BCS2_INTR_MASK		_MMIO(0x190110)
> +#define XEHPC_BCS3_BCS4_INTR_MASK		_MMIO(0x190114)
> +#define XEHPC_BCS5_BCS6_INTR_MASK		_MMIO(0x190118)
> +#define XEHPC_BCS7_BCS8_INTR_MASK		_MMIO(0x19011c)
>  
>  #define GEN12_SFC_DONE(n)			_MMIO(0x1cc000 + (n) *
> 0x1000)
>  




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