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drm/amdgpu/navi10: Implement od clk printing 

[Why]
Before this patch, navi10 overdrive settings could not be printed via
pp_od_clk_voltage

[How]
Implement printing for the overdrive settings for the following clocks
in navi10's ppt print_clk_levels implementation:

* SMU_OD_SCLK
* SMU_OD_MCLK
* SMU_OD_VDDC_CURVE

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Matt Coffin <mcoffin13@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Matt Coffin 2019-11-08 14:28:08 -07:00 committed by Alex Deucher
parent 6610713211
commit 7f3353f60e
1 changed files with 51 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
View File

@ -691,13 +691,25 @@ static bool navi10_is_support_fine_grained_dpm(struct smu_context *smu, enum smu
return dpm_desc->SnapToDiscrete == 0 ? true : false;
}
static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
{
return od_table->cap[feature];
}
static int navi10_print_clk_levels(struct smu_context *smu,
enum smu_clk_type clk_type, char *buf)
{
OverDriveTable_t *od_table;
struct smu_11_0_overdrive_table *od_settings;
uint16_t *curve_settings;
int i, size = 0, ret = 0;
uint32_t cur_value = 0, value = 0, count = 0;
uint32_t freq_values[3] = {0};
uint32_t mark_index = 0;
struct smu_table_context *table_context = &smu->smu_table;
od_table = (OverDriveTable_t *)table_context->overdrive_table;
od_settings = smu->od_settings;
switch (clk_type) {
case SMU_GFXCLK:
@ -748,6 +760,45 @@ static int navi10_print_clk_levels(struct smu_context *smu,
}
break;
case SMU_OD_SCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS))
break;
size += sprintf(buf + size, "OD_SCLK:\n");
size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax);
break;
case SMU_OD_MCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX))
break;
size += sprintf(buf + size, "OD_MCLK:\n");
size += sprintf(buf + size, "0: %uMHz\n", od_table->UclkFmax);
break;
case SMU_OD_VDDC_CURVE:
if (!smu->od_enabled || !od_table || !od_settings)
break;
if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE))
break;
size += sprintf(buf + size, "OD_VDDC_CURVE:\n");
for (i = 0; i < 3; i++) {
switch (i) {
case 0:
curve_settings = &od_table->GfxclkFreq1;
break;
case 1:
curve_settings = &od_table->GfxclkFreq2;
break;
case 2:
curve_settings = &od_table->GfxclkFreq3;
break;
default:
break;
}
size += sprintf(buf + size, "%d: %uMHz @ %umV\n", i, curve_settings[0], curve_settings[1] / NAVI10_VOLTAGE_SCALE);
}
break;
default:
break;
}
@ -1661,11 +1712,6 @@ static inline void navi10_dump_od_table(OverDriveTable_t *od_table) {
pr_debug("OD: OverDrivePct: %d\n", od_table->OverDrivePct);
}
static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
{
return od_table->cap[feature];
}
static int navi10_od_setting_check_range(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODSETTING_ID setting, uint32_t value)
{
if (value < od_table->min[setting]) {