Re: [PATCH] drm/i915: Show dmc debug registers on Kabylake

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On Tue, May 09, 2017 at 01:05:22PM +0300, Mika Kuoppala wrote:
> The assumption is that the registers offsets are
> identical as with skl. Also all the published
> kbl firmwares support the debug registers. So
> let kbl show the debug counts.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100975
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>

Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 1003511..34785fb 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2853,7 +2853,8 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
>  	seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
>  		   CSR_VERSION_MINOR(csr->version));
>  
> -	if (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6)) {
> +	if (IS_KABYLAKE(dev_priv) ||
> +	    (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6))) {
>  		seq_printf(m, "DC3 -> DC5 count: %d\n",
>  			   I915_READ(SKL_CSR_DC3_DC5_COUNT));
>  		seq_printf(m, "DC5 -> DC6 count: %d\n",
> -- 
> 2.7.4
> 
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