[Intel-gfx] [PATCH] drm/i915/execlists: Show the "switch priority hint" in dumps

[Mika Kuoppala]

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

> Show the timeslicing priority hint in engine dumps to aide debugging.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

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

> ---
>  drivers/gpu/drm/i915/gt/intel_lrc.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index 5da86a40434c..16a023ac4604 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -5317,11 +5317,15 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine,
>  		show_request(m, last, "\t\tE ");
>  	}
>  
> -	last = NULL;
> -	count = 0;
> +	if (execlists->switch_priority_hint != INT_MIN)
> +		drm_printf(m, "\t\tSwitch priority hint: %d\n",
> +			   execlists->switch_priority_hint);
>  	if (execlists->queue_priority_hint != INT_MIN)
>  		drm_printf(m, "\t\tQueue priority hint: %d\n",
>  			   execlists->queue_priority_hint);
> +
> +	last = NULL;
> +	count = 0;
>  	for (rb = rb_first_cached(&execlists->queue); rb; rb = rb_next(rb)) {
>  		struct i915_priolist *p = rb_entry(rb, typeof(*p), node);
>  		int i;
> -- 
> 2.25.1
>
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