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platform/x86: thinkpad_acpi: Support for V9 DYTC platform profiles

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[ Upstream commit 9cff907cbf8c7fb5345918dbcc7b74a01656f34f ]

Newer Thinkpad AMD platforms are using V9 DYTC and this changes the
profiles used for PSC mode. Add support for this update.
Tested on P14s G5 AMD

Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250206193953.58365-1-mpearson-lenovo@squebb.ca
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mark Pearson
2025-02-06 14:39:41 -05:00
committed by Greg Kroah-Hartman
parent f92324135f
commit f6ee81371e
1 changed files with 22 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/platform/x86/thinkpad_acpi.c
+22 -12
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@@ -10330,6 +10330,10 @@ static struct ibm_struct proxsensor_driver_data = {
#define DYTC_MODE_PSC_BALANCE 5 /* Default mode aka balanced */
#define DYTC_MODE_PSC_PERFORM 7 /* High power mode aka performance */
#define DYTC_MODE_PSCV9_LOWPOWER 1 /* Low power mode */
#define DYTC_MODE_PSCV9_BALANCE 3 /* Default mode aka balanced */
#define DYTC_MODE_PSCV9_PERFORM 4 /* High power mode aka performance */
#define DYTC_ERR_MASK 0xF /* Bits 0-3 in cmd result are the error result */
#define DYTC_ERR_SUCCESS 1 /* CMD completed successful */
@@ -10350,6 +10354,10 @@ static int dytc_capabilities;
static bool dytc_mmc_get_available;
static int profile_force;
static int platform_psc_profile_lowpower = DYTC_MODE_PSC_LOWPOWER;
static int platform_psc_profile_balanced = DYTC_MODE_PSC_BALANCE;
static int platform_psc_profile_performance = DYTC_MODE_PSC_PERFORM;
static int convert_dytc_to_profile(int funcmode, int dytcmode,
enum platform_profile_option *profile)
{
@@ -10371,19 +10379,15 @@ static int convert_dytc_to_profile(int funcmode, int dytcmode,
}
return 0;
case DYTC_FUNCTION_PSC:
switch (dytcmode) {
case DYTC_MODE_PSC_LOWPOWER:
if (dytcmode == platform_psc_profile_lowpower)
*profile = PLATFORM_PROFILE_LOW_POWER;
break;
case DYTC_MODE_PSC_BALANCE:
else if (dytcmode == platform_psc_profile_balanced)
*profile = PLATFORM_PROFILE_BALANCED;
break;
case DYTC_MODE_PSC_PERFORM:
else if (dytcmode == platform_psc_profile_performance)
*profile = PLATFORM_PROFILE_PERFORMANCE;
break;
default: /* Unknown mode */
else
return -EINVAL;
}
return 0;
case DYTC_FUNCTION_AMT:
/* For now return balanced. It's the closest we have to 'auto' */
@@ -10404,19 +10408,19 @@ static int convert_profile_to_dytc(enum platform_profile_option profile, int *pe
if (dytc_capabilities & BIT(DYTC_FC_MMC))
*perfmode = DYTC_MODE_MMC_LOWPOWER;
else if (dytc_capabilities & BIT(DYTC_FC_PSC))
*perfmode = DYTC_MODE_PSC_LOWPOWER;
*perfmode = platform_psc_profile_lowpower;
break;
case PLATFORM_PROFILE_BALANCED:
if (dytc_capabilities & BIT(DYTC_FC_MMC))
*perfmode = DYTC_MODE_MMC_BALANCE;
else if (dytc_capabilities & BIT(DYTC_FC_PSC))
*perfmode = DYTC_MODE_PSC_BALANCE;
*perfmode = platform_psc_profile_balanced;
break;
case PLATFORM_PROFILE_PERFORMANCE:
if (dytc_capabilities & BIT(DYTC_FC_MMC))
*perfmode = DYTC_MODE_MMC_PERFORM;
else if (dytc_capabilities & BIT(DYTC_FC_PSC))
*perfmode = DYTC_MODE_PSC_PERFORM;
*perfmode = platform_psc_profile_performance;
break;
default: /* Unknown profile */
return -EOPNOTSUPP;
@@ -10605,6 +10609,7 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
if (output & BIT(DYTC_QUERY_ENABLE_BIT))
dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF;
dbg_printk(TPACPI_DBG_INIT, "DYTC version %d\n", dytc_version);
/* Check DYTC is enabled and supports mode setting */
if (dytc_version < 5)
return -ENODEV;
@@ -10643,6 +10648,11 @@ static int tpacpi_dytc_profile_init(struct ibm_init_struct *iibm)
}
} else if (dytc_capabilities & BIT(DYTC_FC_PSC)) { /* PSC MODE */
pr_debug("PSC is supported\n");
if (dytc_version >= 9) { /* update profiles for DYTC 9 and up */
platform_psc_profile_lowpower = DYTC_MODE_PSCV9_LOWPOWER;
platform_psc_profile_balanced = DYTC_MODE_PSCV9_BALANCE;
platform_psc_profile_performance = DYTC_MODE_PSCV9_PERFORM;
}
} else {
dbg_printk(TPACPI_DBG_INIT, "No DYTC support available\n");
return -ENODEV;