[PATCH] drm/xe/debugfs: Expose debugfs entry to check guc pc support

[Nilawar, Badal]

On 19-01-2024 14:58, Gupta, Anshuman wrote:
> 
> 
>> -----Original Message-----
>> From: Nilawar, Badal <badal.nilawar at intel.com>
>> Sent: Friday, January 19, 2024 1:49 PM
>> To: intel-xe at lists.freedesktop.org
>> Cc: Gupta, Anshuman <anshuman.gupta at intel.com>; Vivi, Rodrigo
>> <rodrigo.vivi at intel.com>; Roper, Matthew D <matthew.d.roper at intel.com>;
>> Dixit, Ashutosh <ashutosh.dixit at intel.com>; Belgaumkar, Vinay
>> <vinay.belgaumkar at intel.com>
>> Subject: [PATCH] drm/xe/debugfs: Expose debugfs entry to check guc pc
>> support
>>
>> Expose debugfs entry to check if platform support GuC PC (SLPC) feature.
>>
>> Signed-off-by: Badal Nilawar <badal.nilawar at intel.com>
>> ---
>>   drivers/gpu/drm/xe/xe_debugfs.c | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/xe/xe_debugfs.c
>> b/drivers/gpu/drm/xe/xe_debugfs.c index c56fd7d59f05..2f474bf0e7c7
>> 100644
>> --- a/drivers/gpu/drm/xe/xe_debugfs.c
>> +++ b/drivers/gpu/drm/xe/xe_debugfs.c
>> @@ -30,6 +30,13 @@ static struct xe_device *node_to_xe(struct
>> drm_info_node *node)
>>   	return to_xe_device(node->minor->dev);  }
>>
>> +static int is_gucpc_supported(struct seq_file *m, void *data) {
>> +	struct xe_device *xe = node_to_xe(m->private);
>> +
>> +	return (int)!xe->info.skip_guc_pc;
>> +}
>> +
>>   static int info(struct seq_file *m, void *data)  {
>>   	struct xe_device *xe = node_to_xe(m->private); @@ -67,6 +74,7 @@
>> static int info(struct seq_file *m, void *data)
>>
>>   static const struct drm_info_list debugfs_list[] = {
>>   	{"info", info, 0},
>> +	{"is_gucpc_supported", is_gucpc_supported, 0},
> Above debugfs is per device.
> We need this debugfs for each gt.
The field skip_guc_pc is device specific so kept debugfs device specific.

Regards,
Badal
> Thanks,
> Anshuman.
>>   };
>>
>>   static int forcewake_open(struct inode *inode, struct file *file)
>> --
>> 2.25.1
>