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| author | Gayatri Kammela <gayatri.kammela@linux.intel.com> | 2022-11-14 21:32:57 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-11-21 12:42:52 +0300 |
| commit | c5ad454a12c6a6d08dd67c971a0b12adc9953304 (patch) | |
| tree | 565fe294e2cab2bff297d3149a6b4b9544eb6d3b /drivers/platform/x86/intel/pmc/core.c | |
| parent | 08876884b9eac0666a510ef4f7e7a7c2d377aae5 (diff) | |
| download | linux-c5ad454a12c6a6d08dd67c971a0b12adc9953304.tar.xz | |
platform/x86: intel/pmc/core: Add Meteor Lake support to pmc core driver
Add Meteor Lake client and mobile support to pmc core driver. This patch
adds legacy support.
Cc: David E Box <david.e.box@linux.intel.com>
Suggested-by: David E Box <david.e.box@linux.intel.com>
Reviewed-by: "David E. Box" <david.e.box@linux.intel.com>
Signed-off-by: Sukumar Ghorai <sukumar.ghorai@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@linux.intel.com>
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20221114183257.2067662-9-gayatri.kammela@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmc/core.c')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index 14dfeac73521..f1d802f6ec3f 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -901,7 +901,11 @@ static void pmc_core_get_low_power_modes(struct platform_device *pdev) return; lpm_en = pmc_core_reg_read(pmcdev, pmcdev->map->lpm_en_offset); - pmcdev->num_lpm_modes = hweight32(lpm_en); + /* For MTL, BIT 31 is not an lpm mode but a enable bit. + * Lower byte is enough to cover the number of lpm modes for all + * platforms and hence mask the upper 3 bytes. + */ + pmcdev->num_lpm_modes = hweight32(lpm_en & 0xFF); /* Read 32 bit LPM_PRI register */ lpm_pri = pmc_core_reg_read(pmcdev, pmcdev->map->lpm_priority_offset); @@ -1024,6 +1028,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = { X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, tgl_core_init), X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, adl_core_init), X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, adl_core_init), + X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE, mtl_core_init), {} }; |