[Intel-gfx] [PATCH v2 2/3] drm/i915: Correct the i915_frequency_info debugfs output

Chris Wilson chris at chris-wilson.co.uk
Fri Apr 22 12:00:20 UTC 2016


On Fri, Apr 22, 2016 at 05:22:25PM +0530, akash.goel at intel.com wrote:
> From: Akash Goel <akash.goel at intel.com>
> 
> There are certain registers, which captures the time elapsed in the
> in current Up/Down EI, for how long GT has been Idle/Busy/Avg in the
> current Up/Down EI and also in the previous Up/Down EI.
> These register values are reported by the i915_frequency_info debugfs
> interface. The Driver prints the 'us' suffix after the values, albeit
> they are actually in raw form & not in microsecond units.
> This patch removes the 'us' suffix so that its clear to User that values
> are indeed in raw form.
> 
> v2: Present the values in microseconds unit also, after platform
>     specific conversion (Chris)
> 
> Signed-off-by: Akash Goel <akash.goel at intel.com>
> @@ -1291,21 +1291,21 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
>  		seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
>  		seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
>  		seq_printf(m, "CAGF: %dMHz\n", cagf);
> -		seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
> -			   GEN6_CURICONT_MASK);
> -		seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
> -			   GEN6_CURBSYTAVG_MASK);
> -		seq_printf(m, "RP PREV UP: %dus\n", rpprevup &
> -			   GEN6_CURBSYTAVG_MASK);
> +		seq_printf(m, "RP CUR UP EI: %d(%dus)\n",
> +			   rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei));

A space between raw and time would have been nice.

With that extra character,
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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