iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

platform/x86: intel_pmc_core: Fix LTR IGNORE Max offset

Browse Source 
Cannonlake PCH allows us to ignore LTR from more IPs than Sunrisepoint
PCH so make the LTR ignore platform specific.

Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Rajneesh Bhardwaj 2018-11-09 00:32:43 +05:30 committed by Andy Shevchenko
parent 2eb150558b
commit 2d649d972b
2 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/platform/x86/intel_pmc_core.c
View File

@ -137,6 +137,7 @@ static const struct pmc_reg_map spt_reg_map = {
.ppfear_buckets = SPT_PPFEAR_NUM_ENTRIES,
.pm_cfg_offset = SPT_PMC_PM_CFG_OFFSET,
.pm_read_disable_bit = SPT_PMC_READ_DISABLE_BIT,
.ltr_ignore_max = SPT_NUM_IP_IGN_ALLOWED,
};
/* Cannonlake: PGD PFET Enable Ack Status Register(s) bitmap */
@ -307,6 +308,7 @@ static const struct pmc_reg_map cnp_reg_map = {
.ppfear_buckets = CNP_PPFEAR_NUM_ENTRIES,
.pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
.pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
.ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED,
};
static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
@ -553,7 +555,7 @@ static ssize_t pmc_core_ltr_ignore_write(struct file *file, const char __user
goto out_unlock;
}
if (val > NUM_IP_IGN_ALLOWED) {
if (val > map->ltr_ignore_max) {
err = -EINVAL;
goto out_unlock;
}

4
drivers/platform/x86/intel_pmc_core.h
View File

@ -35,7 +35,7 @@
#define SPT_PMC_READ_DISABLE_BIT 0x16
#define SPT_PMC_MSG_FULL_STS_BIT 0x18
#define NUM_RETRIES 100
#define NUM_IP_IGN_ALLOWED 17
#define SPT_NUM_IP_IGN_ALLOWED 17
#define SPT_PMC_LTR_CUR_PLT 0x350
#define SPT_PMC_LTR_CUR_ASLT 0x354
@ -146,6 +146,7 @@ enum ppfear_regs {
#define CNP_PMC_MMIO_REG_LEN 0x2000
#define CNP_PPFEAR_NUM_ENTRIES 8
#define CNP_PMC_READ_DISABLE_BIT 22
#define CNP_NUM_IP_IGN_ALLOWED 19
#define CNP_PMC_LTR_CUR_PLT 0x1B50
#define CNP_PMC_LTR_CUR_ASLT 0x1B54
#define CNP_PMC_LTR_SPA 0x1B60
@ -208,6 +209,7 @@ struct pmc_reg_map {
const u32 pm_cfg_offset;
const int pm_read_disable_bit;
const u32 slps0_dbg_offset;
const u32 ltr_ignore_max;
};
/**