Commit 4ddef52f 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: Add new platform support 



PMC driver can be supported on a new upcoming platform.
Add this information to the support list.

Signed-off-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20220630050324.3780654-2-Shyam-sundar.S-k@amd.com


Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 1968f2be

drivers/platform/x86/amd-pmc.c

+6 −1
Original line number Diff line number Diff line
@@ -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) },