[Intel-gfx] [PATCH 2/4] drm/i915/icl: Show interrupt registers in debugfs

Daniele Ceraolo Spurio daniele.ceraolospurio at intel.com
Thu Feb 22 00:54:18 UTC 2018



On 20/02/18 07:37, Mika Kuoppala wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Show GEN11 specific interrupt registers in debugfs
> 
> v2: Update for POR changes. (Daniele Ceraolo Spurio)
> v3: get runtime pm ref. unify common parts with gen8 (Daniele)
> 
> Cc: Ceraolo Spurio, Daniele <daniele.ceraolospurio at intel.com>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

> ---
>   drivers/gpu/drm/i915/i915_debugfs.c | 139 ++++++++++++++++++++++++------------
>   1 file changed, 95 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 05b41045b8f9..d4991b335cf5 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -646,6 +646,56 @@ static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
>   	return 0;
>   }
>   
> +static void gen8_display_interrupt_info(struct seq_file *m)
> +{
> +	struct drm_i915_private *dev_priv = node_to_i915(m->private);
> +	int pipe;
> +
> +	for_each_pipe(dev_priv, pipe) {
> +		enum intel_display_power_domain power_domain;
> +
> +		power_domain = POWER_DOMAIN_PIPE(pipe);
> +		if (!intel_display_power_get_if_enabled(dev_priv,
> +							power_domain)) {
> +			seq_printf(m, "Pipe %c power disabled\n",
> +				   pipe_name(pipe));
> +			continue;
> +		}
> +		seq_printf(m, "Pipe %c IMR:\t%08x\n",
> +			   pipe_name(pipe),
> +			   I915_READ(GEN8_DE_PIPE_IMR(pipe)));
> +		seq_printf(m, "Pipe %c IIR:\t%08x\n",
> +			   pipe_name(pipe),
> +			   I915_READ(GEN8_DE_PIPE_IIR(pipe)));
> +		seq_printf(m, "Pipe %c IER:\t%08x\n",
> +			   pipe_name(pipe),
> +			   I915_READ(GEN8_DE_PIPE_IER(pipe)));
> +
> +		intel_display_power_put(dev_priv, power_domain);
> +	}
> +
> +	seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
> +		   I915_READ(GEN8_DE_PORT_IMR));
> +	seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
> +		   I915_READ(GEN8_DE_PORT_IIR));
> +	seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
> +		   I915_READ(GEN8_DE_PORT_IER));
> +
> +	seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
> +		   I915_READ(GEN8_DE_MISC_IMR));
> +	seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
> +		   I915_READ(GEN8_DE_MISC_IIR));
> +	seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
> +		   I915_READ(GEN8_DE_MISC_IER));
> +
> +	seq_printf(m, "PCU interrupt mask:\t%08x\n",
> +		   I915_READ(GEN8_PCU_IMR));
> +	seq_printf(m, "PCU interrupt identity:\t%08x\n",
> +		   I915_READ(GEN8_PCU_IIR));
> +	seq_printf(m, "PCU interrupt enable:\t%08x\n",
> +		   I915_READ(GEN8_PCU_IER));
> +}
> +
>   static int i915_interrupt_info(struct seq_file *m, void *data)
>   {
>   	struct drm_i915_private *dev_priv = node_to_i915(m->private);
> @@ -709,6 +759,27 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
>   			   I915_READ(GEN8_PCU_IIR));
>   		seq_printf(m, "PCU interrupt enable:\t%08x\n",
>   			   I915_READ(GEN8_PCU_IER));
> +	} else if (INTEL_GEN(dev_priv) >= 11) {
> +		seq_printf(m, "Master Interrupt Control:  %08x\n",
> +			   I915_READ(GEN11_GFX_MSTR_IRQ));
> +
> +		seq_printf(m, "Render/Copy Intr Enable:   %08x\n",
> +			   I915_READ(GEN11_RENDER_COPY_INTR_ENABLE));
> +		seq_printf(m, "VCS/VECS Intr Enable:      %08x\n",
> +			   I915_READ(GEN11_VCS_VECS_INTR_ENABLE));
> +		seq_printf(m, "GUC/SG Intr Enable:\t   %08x\n",
> +			   I915_READ(GEN11_GUC_SG_INTR_ENABLE));
> +		seq_printf(m, "GPM/WGBOXPERF Intr Enable: %08x\n",
> +			   I915_READ(GEN11_GPM_WGBOXPERF_INTR_ENABLE));
> +		seq_printf(m, "Crypto Intr Enable:\t   %08x\n",
> +			   I915_READ(GEN11_CRYPTO_RSVD_INTR_ENABLE));
> +		seq_printf(m, "GUnit/CSME Intr Enable:\t   %08x\n",
> +			   I915_READ(GEN11_GUNIT_CSME_INTR_ENABLE));
> +
> +		seq_printf(m, "Display Interrupt Control:\t%08x\n",
> +			   I915_READ(GEN11_DISPLAY_INT_CTL));
> +
> +		gen8_display_interrupt_info(m);
>   	} else if (INTEL_GEN(dev_priv) >= 8) {
>   		seq_printf(m, "Master Interrupt Control:\t%08x\n",
>   			   I915_READ(GEN8_MASTER_IRQ));
> @@ -722,49 +793,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
>   				   i, I915_READ(GEN8_GT_IER(i)));
>   		}
>   
> -		for_each_pipe(dev_priv, pipe) {
> -			enum intel_display_power_domain power_domain;
> -
> -			power_domain = POWER_DOMAIN_PIPE(pipe);
> -			if (!intel_display_power_get_if_enabled(dev_priv,
> -								power_domain)) {
> -				seq_printf(m, "Pipe %c power disabled\n",
> -					   pipe_name(pipe));
> -				continue;
> -			}
> -			seq_printf(m, "Pipe %c IMR:\t%08x\n",
> -				   pipe_name(pipe),
> -				   I915_READ(GEN8_DE_PIPE_IMR(pipe)));
> -			seq_printf(m, "Pipe %c IIR:\t%08x\n",
> -				   pipe_name(pipe),
> -				   I915_READ(GEN8_DE_PIPE_IIR(pipe)));
> -			seq_printf(m, "Pipe %c IER:\t%08x\n",
> -				   pipe_name(pipe),
> -				   I915_READ(GEN8_DE_PIPE_IER(pipe)));
> -
> -			intel_display_power_put(dev_priv, power_domain);
> -		}
> -
> -		seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
> -			   I915_READ(GEN8_DE_PORT_IMR));
> -		seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
> -			   I915_READ(GEN8_DE_PORT_IIR));
> -		seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
> -			   I915_READ(GEN8_DE_PORT_IER));
> -
> -		seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
> -			   I915_READ(GEN8_DE_MISC_IMR));
> -		seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
> -			   I915_READ(GEN8_DE_MISC_IIR));
> -		seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
> -			   I915_READ(GEN8_DE_MISC_IER));
> -
> -		seq_printf(m, "PCU interrupt mask:\t%08x\n",
> -			   I915_READ(GEN8_PCU_IMR));
> -		seq_printf(m, "PCU interrupt identity:\t%08x\n",
> -			   I915_READ(GEN8_PCU_IIR));
> -		seq_printf(m, "PCU interrupt enable:\t%08x\n",
> -			   I915_READ(GEN8_PCU_IER));
> +		gen8_display_interrupt_info(m);
>   	} else if (IS_VALLEYVIEW(dev_priv)) {
>   		seq_printf(m, "Display IER:\t%08x\n",
>   			   I915_READ(VLV_IER));
> @@ -846,13 +875,35 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
>   		seq_printf(m, "Graphics Interrupt mask:		%08x\n",
>   			   I915_READ(GTIMR));
>   	}
> -	if (INTEL_GEN(dev_priv) >= 6) {
> +
> +	if (INTEL_GEN(dev_priv) >= 11) {
> +		seq_printf(m, "RCS Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_RCS0_RSVD_INTR_MASK));
> +		seq_printf(m, "BCS Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_BCS_RSVD_INTR_MASK));
> +		seq_printf(m, "VCS0/VCS1 Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_VCS0_VCS1_INTR_MASK));
> +		seq_printf(m, "VCS2/VCS3 Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_VCS2_VCS3_INTR_MASK));
> +		seq_printf(m, "VECS0/VECS1 Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_VECS0_VECS1_INTR_MASK));
> +		seq_printf(m, "GUC/SG Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_GUC_SG_INTR_MASK));
> +		seq_printf(m, "GPM/WGBOXPERF Intr Mask: %08x\n",
> +			   I915_READ(GEN11_GPM_WGBOXPERF_INTR_MASK));
> +		seq_printf(m, "Crypto Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_CRYPTO_RSVD_INTR_MASK));
> +		seq_printf(m, "Gunit/CSME Intr Mask:\t %08x\n",
> +			   I915_READ(GEN11_GUNIT_CSME_INTR_MASK));
> +
> +	} else if (INTEL_GEN(dev_priv) >= 6) {
>   		for_each_engine(engine, dev_priv, id) {
>   			seq_printf(m,
>   				   "Graphics Interrupt mask (%s):	%08x\n",
>   				   engine->name, I915_READ_IMR(engine));
>   		}
>   	}
> +
>   	intel_runtime_pm_put(dev_priv);
>   
>   	return 0;
> 


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