[PATCH 1/4] Utility function and macro for telemetry reading

[Poosa, Karthik]

On 14-05-2025 14:57, Jani Nikula wrote:
> On Wed, 14 May 2025, Soham Purkait <soham.purkait at intel.com> wrote:
>> The changes in this patch is taken from
>> https://patchwork.freedesktop.org/series/148926/
>> Thay are  added only for compilation and does not
>> require review.
>> ---
>>   drivers/gpu/drm/xe/regs/xe_pmt.h | 5 +++++
>>   drivers/gpu/drm/xe/xe_vsec.c     | 2 +-
>>   drivers/gpu/drm/xe/xe_vsec.h     | 5 +++++
>>   3 files changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/xe/regs/xe_pmt.h b/drivers/gpu/drm/xe/regs/xe_pmt.h
>> index f45abcd96ba8..b1d4504e4adc 100644
>> --- a/drivers/gpu/drm/xe/regs/xe_pmt.h
>> +++ b/drivers/gpu/drm/xe/regs/xe_pmt.h
>> @@ -10,6 +10,11 @@
>>   #define BMG_PMT_BASE_OFFSET		0xDB000
>>   #define BMG_DISCOVERY_OFFSET		(SOC_BASE + BMG_PMT_BASE_OFFSET)
>>   
>> +#define PUNIT_TELEMETRY_GUID		XE_REG(BMG_DISCOVERY_OFFSET + 0x4)
>> +#define BMG_ENERGY_STATUS_PMT_OFFSET	(0x30)
>> +#define ENERGY_PKG			REG_GENMASK64(31, 0)
>> +#define ENERGY_CARD			REG_GENMASK64(63, 32)
>> +
>>   #define BMG_TELEMETRY_BASE_OFFSET	0xE0000
>>   #define BMG_TELEMETRY_OFFSET		(SOC_BASE + BMG_TELEMETRY_BASE_OFFSET)
>>   
>> diff --git a/drivers/gpu/drm/xe/xe_vsec.c b/drivers/gpu/drm/xe/xe_vsec.c
>> index b378848d3b7b..a46e9580b1f4 100644
>> --- a/drivers/gpu/drm/xe/xe_vsec.c
>> +++ b/drivers/gpu/drm/xe/xe_vsec.c
>> @@ -149,7 +149,7 @@ static int xe_guid_decode(u32 guid, int *index, u32 *offset)
>>   	return 0;
>>   }
>>   
>> -static int xe_pmt_telem_read(struct pci_dev *pdev, u32 guid, u64 *data, loff_t user_offset,
>> +int xe_pmt_telem_read(struct pci_dev *pdev, u32 guid, u64 *data, loff_t user_offset,
>>   			     u32 count)
>>   {
>>   	struct xe_device *xe = pdev_to_xe_device(pdev);
>> diff --git a/drivers/gpu/drm/xe/xe_vsec.h b/drivers/gpu/drm/xe/xe_vsec.h
>> index 5777c53faec2..6184b875e4b1 100644
>> --- a/drivers/gpu/drm/xe/xe_vsec.h
>> +++ b/drivers/gpu/drm/xe/xe_vsec.h
>> @@ -4,8 +4,13 @@
>>   #ifndef _XE_VSEC_H_
>>   #define _XE_VSEC_H_
>>   
>> +#include "linux/types.h"
>> +#include "linux/pci.h"
>> +
> Please address the reviews [1].
>
> BR,
> Jani.

These are addressed here Jani,

https://patchwork.freedesktop.org/patch/653146/?series=148926&rev=2
>
>
> [1] https://lore.kernel.org/r/87ikmcvfzd.fsf@intel.com
>
>
>
>>   struct xe_device;
>>   
>>   void xe_vsec_init(struct xe_device *xe);
>> +int xe_pmt_telem_read(struct pci_dev *pdev, u32 guid, u64 *data, loff_t user_offset,
>> +		      u32 count);
>>   
>>   #endif