Re: [PATCH 45/47] drm/i915/guc: Include scheduling policies in the debugfs state dump

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On Thu, Jun 24, 2021 at 12:05:14AM -0700, Matthew Brost wrote:
> From: John Harrison <John.C.Harrison@xxxxxxxxx>
> 
> Added the scheduling policy parameters to the 'guc_info' debugfs state
> dump.
> 
> Signed-off-by: John Harrison <john.c.harrison@xxxxxxxxx>
> Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>

Reviewed-by: Matthew Brost <matthew.brost@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c     | 13 +++++++++++++
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h     |  2 ++
>  drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c |  2 ++
>  3 files changed, 17 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index c6d0b762d82c..b8182844aa00 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -92,6 +92,19 @@ static void guc_policies_init(struct intel_guc *guc, struct guc_policies *polici
>  	policies->is_valid = 1;
>  }
>  
> +void intel_guc_log_policy_info(struct intel_guc *guc, struct drm_printer *dp)
> +{
> +	struct __guc_ads_blob *blob = guc->ads_blob;
> +
> +	if (unlikely(!blob))
> +		return;
> +
> +	drm_printf(dp, "Global scheduling policies:\n");
> +	drm_printf(dp, "  DPC promote time   = %u\n", blob->policies.dpc_promote_time);
> +	drm_printf(dp, "  Max num work items = %u\n", blob->policies.max_num_work_items);
> +	drm_printf(dp, "  Flags              = %u\n", blob->policies.global_flags);
> +}
> +
>  static int guc_action_policies_update(struct intel_guc *guc, u32 policy_offset)
>  {
>  	u32 action[] = {
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h
> index b00d3ae1113a..0fdcb3583601 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h
> @@ -7,9 +7,11 @@
>  #define _INTEL_GUC_ADS_H_
>  
>  struct intel_guc;
> +struct drm_printer;
>  
>  int intel_guc_ads_create(struct intel_guc *guc);
>  void intel_guc_ads_destroy(struct intel_guc *guc);
>  void intel_guc_ads_reset(struct intel_guc *guc);
> +void intel_guc_log_policy_info(struct intel_guc *guc, struct drm_printer *p);
>  
>  #endif
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
> index 62b9ce0fafaa..9a03ff56e654 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
> @@ -10,6 +10,7 @@
>  #include "intel_guc_debugfs.h"
>  #include "intel_guc_log_debugfs.h"
>  #include "gt/uc/intel_guc_ct.h"
> +#include "gt/uc/intel_guc_ads.h"
>  #include "gt/uc/intel_guc_submission.h"
>  
>  static int guc_info_show(struct seq_file *m, void *data)
> @@ -29,6 +30,7 @@ static int guc_info_show(struct seq_file *m, void *data)
>  
>  	intel_guc_log_ct_info(&guc->ct, &p);
>  	intel_guc_log_submission_info(guc, &p);
> +	intel_guc_log_policy_info(guc, &p);
>  
>  	return 0;
>  }
> -- 
> 2.28.0
> 



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