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drm/amd/pm: fix issue of missing '*' on pp_dpm_xxx nodes

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refine the code to fix '*' missing on pp_dpm_xxx series node.

e.g.: missing '*' on navi10 pp_dpm_sclk
$ cat /sys/class/drm/card0/device/pp_dpm_sclk
0: 300Mhz
1: 1930Mhz (missing symbol '*')

Fixes: a08ea4bc77 ("drm/amd/pm: Add a helper to show dpm table")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Wang 2026-01-12 17:48:26 +08:00 committed by Alex Deucher
parent 6c16000166
commit d81e52fc61
1 changed files with 16 additions and 15 deletions
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31
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
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@ -1286,11 +1286,11 @@ int smu_cmn_print_dpm_clk_levels(struct smu_context *smu,
struct smu_dpm_table *dpm_table,
uint32_t cur_clk, char *buf, int *offset)
{
uint32_t min_clk, level_index, count;
uint32_t freq_values[3] = { 0 };
uint32_t min_clk, max_clk, level_index, count;
uint32_t freq_values[3];
int size, lvl, i;
bool is_fine_grained;
bool is_deep_sleep;
int size, lvl, i;
bool freq_match;
if (!dpm_table || !buf)
@ -1301,6 +1301,7 @@ int smu_cmn_print_dpm_clk_levels(struct smu_context *smu,
count = dpm_table->count;
is_fine_grained = dpm_table->flags & SMU_DPM_TABLE_FINE_GRAINED;
min_clk = SMU_DPM_TABLE_MIN(dpm_table);
max_clk = SMU_DPM_TABLE_MAX(dpm_table);
/* Deep sleep - current clock < min_clock/2, TBD: cur_clk = 0 as GFXOFF */
is_deep_sleep = cur_clk < min_clk / 2;
@ -1321,22 +1322,22 @@ int smu_cmn_print_dpm_clk_levels(struct smu_context *smu,
freq_match ? "*" : "");
}
} else {
count = 2;
freq_values[0] = min_clk;
freq_values[2] = SMU_DPM_TABLE_MAX(dpm_table);
freq_values[1] = cur_clk;
freq_values[1] = max_clk;
lvl = -1;
if (!is_deep_sleep) {
lvl = 1;
if (smu_cmn_freqs_match(cur_clk, freq_values[0]))
if (smu_cmn_freqs_match(cur_clk, min_clk)) {
lvl = 0;
else if (smu_cmn_freqs_match(cur_clk, freq_values[2]))
lvl = 2;
}
count = 3;
if (lvl != 1) {
count = 2;
freq_values[1] = freq_values[2];
} else if (smu_cmn_freqs_match(cur_clk, max_clk)) {
lvl = 1;
} else {
/* NOTE: use index '1' to show current clock value */
lvl = 1;
count = 3;
freq_values[1] = cur_clk;
freq_values[2] = max_clk;
}
}
for (i = 0; i < count; i++) {