diff options
| author | Shyam Sundar S K <Shyam-sundar.S-k@amd.com> | 2023-12-28 15:51:02 +0530 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2024-01-02 13:40:27 +0100 |
| commit | 9ae57d88609d2077a8340d316fc9849a601844f9 (patch) | |
| tree | bdd506dc7b44d8555dfe20da256c23bc1ead59f8 /drivers/platform/x86 | |
| parent | 13313c135266ed62d33f43281fb22289865064fd (diff) | |
platform/x86/amd/pmc: Add idlemask support for 1Ah family
Idlemask is an indication of each IP block current state (i.e. whether it
is running or idle) during s2idle transistion. The newer 1Ah family
supports this feature, add it to the support list.
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231228102104.1785383-5-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/amd/pmc/pmc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c index bc52229b155e..ceb2b5677f78 100644 --- a/drivers/platform/x86/amd/pmc/pmc.c +++ b/drivers/platform/x86/amd/pmc/pmc.c @@ -38,6 +38,7 @@ /* PMC Scratch Registers */ #define AMD_PMC_SCRATCH_REG_CZN 0x94 #define AMD_PMC_SCRATCH_REG_YC 0xD14 +#define AMD_PMC_SCRATCH_REG_1AH 0xF14 /* STB Registers */ #define AMD_PMC_STB_PMI_0 0x03E30600 @@ -593,6 +594,9 @@ static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev, case AMD_CPU_ID_PS: val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC); break; + case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT: + val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_1AH); + break; default: return -EINVAL; } |