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platform/x86:intel/pmc: Improve function to show substate header

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Refactor pmc_core_substate_req_header_show() to accept a new argument.
This is a preparation patch to introduce a new way to show Low Power
Mode substate requirement data for platforms starting from Panther
Lake. Increased the size for the name column as the Low Power Mode
requirement register name is longer in newer platforms.

Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://patch.msgid.link/20250910210629.11198-4-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Xi Pardee 2025-09-10 14:06:23 -07:00 committed by Ilpo Järvinen
parent 1e508af6bc
commit 612326e0a8
No known key found for this signature in database
GPG Key ID: 59AC4F6153E5CE31
1 changed files with 16 additions and 6 deletions
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22
drivers/platform/x86/intel/pmc/core.c
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@ -11,6 +11,11 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
enum header_type {
HEADER_STATUS,
HEADER_VALUE,
};
#include <linux/bitfield.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
@ -828,17 +833,22 @@ static int pmc_core_substate_l_sts_regs_show(struct seq_file *s, void *unused)
}
DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_l_sts_regs);
static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index)
static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index,
enum header_type type)
{
struct pmc_dev *pmcdev = s->private;
int mode;
seq_printf(s, "%30s |", "Element");
seq_printf(s, "%40s |", "Element");
pmc_for_each_mode(mode, pmcdev)
seq_printf(s, " %9s |", pmc_lpm_modes[mode]);
seq_printf(s, " %9s |", "Status");
seq_printf(s, " %11s |\n", "Live Status");
if (type == HEADER_STATUS) {
seq_printf(s, " %9s |", "Status");
seq_printf(s, " %11s |\n", "Live Status");
} else {
seq_printf(s, " %9s |\n", "Value");
}
}
static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
@ -872,7 +882,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
continue;
/* Display the header */
pmc_core_substate_req_header_show(s, pmc_index);
pmc_core_substate_req_header_show(s, pmc_index, HEADER_STATUS);
/* Loop over maps */
for (mp = 0; mp < num_maps; mp++) {
@ -910,7 +920,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
}
/* Display the element name in the first column */
seq_printf(s, "pmc%d: %26s |", pmc_index, map[i].name);
seq_printf(s, "pmc%d: %34s |", pmc_index, map[i].name);
/* Loop over the enabled states and display if required */
pmc_for_each_mode(mode, pmcdev) {