From: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
To: <hdegoede@redhat.com>, <mgross@linux.intel.com>
Cc: <platform-driver-x86@vger.kernel.org>,
Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Subject: [PATCH 2/2] platform/x86/amd/pmc: Add new platform support
Date: Thu, 30 Jun 2022 10:33:24 +0530 [thread overview]
Message-ID: <20220630050324.3780654-2-Shyam-sundar.S-k@amd.com> (raw)
In-Reply-To: <20220630050324.3780654-1-Shyam-sundar.S-k@amd.com>
PMC driver can be supported on a new upcoming platform.
Add this information to the support list.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
---
Based on "review-hans" branch.
drivers/platform/x86/amd/pmc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 73d6867cc20b..700eb19e8450 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -92,6 +92,7 @@
#define AMD_CPU_ID_CZN AMD_CPU_ID_RN
#define AMD_CPU_ID_YC 0x14B5
#define AMD_CPU_ID_CB 0x14D8
+#define AMD_CPU_ID_PS 0x14E8
#define PMC_MSG_DELAY_MIN_US 50
#define RESPONSE_REGISTER_LOOP_MAX 20000
@@ -320,6 +321,7 @@ static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
break;
case AMD_CPU_ID_YC:
case AMD_CPU_ID_CB:
+ case AMD_CPU_ID_PS:
val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
break;
default:
@@ -493,7 +495,8 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
&amd_pmc_idlemask_fops);
/* Enable STB only when the module_param is set */
if (enable_stb) {
- if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)
+ if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB ||
+ dev->cpu_id == AMD_CPU_ID_PS)
debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev,
&amd_pmc_stb_debugfs_fops_v2);
else
@@ -618,6 +621,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
case AMD_CPU_ID_RN:
case AMD_CPU_ID_YC:
case AMD_CPU_ID_CB:
+ case AMD_CPU_ID_PS:
return MSG_OS_HINT_RN;
}
return -EINVAL;
@@ -738,6 +742,7 @@ static struct acpi_s2idle_dev_ops amd_pmc_s2idle_dev_ops = {
#endif
static const struct pci_device_id pmc_pci_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PS) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CB) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) },
--
2.25.1
next prev parent reply other threads:[~2022-06-30 5:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 5:03 [PATCH 1/2] platform/x86/amd/pmc: Add new acpi id for PMC controller Shyam Sundar S K
2022-06-30 5:03 ` Shyam Sundar S K [this message]
2022-07-02 9:57 ` Hans de Goede
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