Re: [PATCH 1/2] platform/x86/amd/pmc: Add new acpi id for PMC controller

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Hi,

On 6/30/22 07:03, Shyam Sundar S K wrote:
> New version of PMC controller will have a separate ACPI id, add that
> to the support list.
> 
> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>

Thank you for your patch-series, I've applied the series to my
review-hans branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans


> ---
> Based on "review-hans" branch.
> 
>  drivers/platform/x86/amd/pmc.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
> index f11d18beac18..73d6867cc20b 100644
> --- a/drivers/platform/x86/amd/pmc.c
> +++ b/drivers/platform/x86/amd/pmc.c
> @@ -91,6 +91,7 @@
>  #define AMD_CPU_ID_PCO			AMD_CPU_ID_RV
>  #define AMD_CPU_ID_CZN			AMD_CPU_ID_RN
>  #define AMD_CPU_ID_YC			0x14B5
> +#define AMD_CPU_ID_CB			0x14D8
>  
>  #define PMC_MSG_DELAY_MIN_US		50
>  #define RESPONSE_REGISTER_LOOP_MAX	20000
> @@ -318,6 +319,7 @@ static int amd_pmc_idlemask_read(struct amd_pmc_dev *pdev, struct device *dev,
>  		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_CZN);
>  		break;
>  	case AMD_CPU_ID_YC:
> +	case AMD_CPU_ID_CB:
>  		val = amd_pmc_reg_read(pdev, AMD_PMC_SCRATCH_REG_YC);
>  		break;
>  	default:
> @@ -491,7 +493,7 @@ 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)
> +		if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)
>  			debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev,
>  					    &amd_pmc_stb_debugfs_fops_v2);
>  		else
> @@ -615,6 +617,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
>  		return MSG_OS_HINT_PCO;
>  	case AMD_CPU_ID_RN:
>  	case AMD_CPU_ID_YC:
> +	case AMD_CPU_ID_CB:
>  		return MSG_OS_HINT_RN;
>  	}
>  	return -EINVAL;
> @@ -735,6 +738,7 @@ 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_CB) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_YC) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_CZN) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RN) },
> @@ -877,7 +881,7 @@ static int amd_pmc_probe(struct platform_device *pdev)
>  
>  	mutex_init(&dev->lock);
>  
> -	if (enable_stb && dev->cpu_id == AMD_CPU_ID_YC) {
> +	if (enable_stb && (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)) {
>  		err = amd_pmc_s2d_init(dev);
>  		if (err)
>  			return err;
> @@ -915,6 +919,7 @@ static const struct acpi_device_id amd_pmc_acpi_ids[] = {
>  	{"AMDI0005", 0},
>  	{"AMDI0006", 0},
>  	{"AMDI0007", 0},
> +	{"AMDI0008", 0},
>  	{"AMD0004", 0},
>  	{"AMD0005", 0},
>  	{ }




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