[Intel-gfx] [PATCH] drm/i915: Show dmc debug registers on Kabylake

Mika Kuoppala mika.kuoppala at linux.intel.com
Tue May 9 13:16:12 UTC 2017


Imre Deak <imre.deak at intel.com> writes:

> 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 at intel.com>
>> Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
>
> Reviewed-by: Imre Deak <imre.deak at intel.com>

Pushed. Thanks for review!
-Mika


>
>> ---
>>  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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