Commit 9efa2a04 authored by Shyam Sundar S K's avatar Shyam Sundar S K Committed by Hans de Goede
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platform/x86/amd/pmc: Send OS_HINT command for AMDI000A platform 



To initiate the HW deep state transistion the OS_HINT command has to be
sent the PMFW. Add this support to the platforms that has AMDI000A
support.

Signed-off-by: default avatarSanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231228102104.1785383-2-Shyam-sundar.S-k@amd.com


Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 4527898e

drivers/platform/x86/amd/pmc/pmc.c

+1 −0
Original line number Diff line number Diff line
@@ -751,6 +751,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev) 
	case AMD_CPU_ID_YC:

	case AMD_CPU_ID_CB:

	case AMD_CPU_ID_PS:

	case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT:

		return MSG_OS_HINT_RN;

	}

	return -EINVAL;