Unverified Commit e90f7a58 authored by Karthik Poosa's avatar Karthik Poosa Committed by Rodrigo Vivi
Browse files

drm/xe/hwmon: Add HWMON support for BMG 



Add HWMON support for BMG. Exposing the pkg power, current,
energy info.

Signed-off-by: default avatarKarthik Poosa <karthik.poosa@intel.com>
Reviewed-by: default avatarBadal Nilawar <badal.nilawar@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20240523144351.4040131-2-balasubramani.vivekanandan@intel.com


Signed-off-by: default avatarBalasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240529050758.442056-2-balasubramani.vivekanandan@intel.com


Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent dac81a9a

drivers/gpu/drm/xe/regs/xe_pcode_regs.h

+5 −0
Original line number Diff line number Diff line
@@ -18,4 +18,9 @@ 
#define PVC_GT0_PLATFORM_ENERGY_STATUS          XE_REG(0x28106c)

#define PVC_GT0_PACKAGE_POWER_SKU               XE_REG(0x281080)



#define BMG_PACKAGE_POWER_SKU			XE_REG(0x138098)

#define BMG_PACKAGE_POWER_SKU_UNIT		XE_REG(0x1380dc)

#define BMG_PACKAGE_ENERGY_STATUS		XE_REG(0x138120)

#define BMG_PACKAGE_RAPL_LIMIT			XE_REG(0x138440)



#endif /* _XE_PCODE_REGS_H_ */

drivers/gpu/drm/xe/xe_hwmon.c

+12 −4
Original line number Diff line number Diff line
@@ -86,19 +86,25 @@ static struct xe_reg xe_hwmon_get_reg(struct xe_hwmon *hwmon, enum xe_hwmon_reg 


	switch (hwmon_reg) {

	case REG_PKG_RAPL_LIMIT:

		if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

		if (xe->info.platform == XE_BATTLEMAGE && channel == CHANNEL_PKG)

			return BMG_PACKAGE_RAPL_LIMIT;

		else if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

			return PVC_GT0_PACKAGE_RAPL_LIMIT;

		else if ((xe->info.platform == XE_DG2) && (channel == CHANNEL_PKG))

			return PCU_CR_PACKAGE_RAPL_LIMIT;

		break;

	case REG_PKG_POWER_SKU:

		if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

		if (xe->info.platform == XE_BATTLEMAGE)

			return BMG_PACKAGE_POWER_SKU;

		else if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

			return PVC_GT0_PACKAGE_POWER_SKU;

		else if ((xe->info.platform == XE_DG2) && (channel == CHANNEL_PKG))

			return PCU_CR_PACKAGE_POWER_SKU;

		break;

	case REG_PKG_POWER_SKU_UNIT:

		if (xe->info.platform == XE_PVC)

		if (xe->info.platform == XE_BATTLEMAGE)

			return BMG_PACKAGE_POWER_SKU_UNIT;

		else if (xe->info.platform == XE_PVC)

			return PVC_GT0_PACKAGE_POWER_SKU_UNIT;

		else if (xe->info.platform == XE_DG2)

			return PCU_CR_PACKAGE_POWER_SKU_UNIT;
@@ -108,7 +114,9 @@ static struct xe_reg xe_hwmon_get_reg(struct xe_hwmon *hwmon, enum xe_hwmon_reg 
			return GT_PERF_STATUS;

		break;

	case REG_PKG_ENERGY_STATUS:

		if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

		if (xe->info.platform == XE_BATTLEMAGE && channel == CHANNEL_PKG)

			return BMG_PACKAGE_ENERGY_STATUS;

		else if (xe->info.platform == XE_PVC && channel == CHANNEL_PKG)

			return PVC_GT0_PLATFORM_ENERGY_STATUS;

		else if ((xe->info.platform == XE_DG2) && (channel == CHANNEL_PKG))

			return PCU_CR_PACKAGE_ENERGY_STATUS;