diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/navi10_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 354f63103308..3e26c03d5eed 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1728,6 +1728,8 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL struct smu_table_context *table_context = &smu->smu_table; OverDriveTable_t *od_table; struct smu_11_0_overdrive_table *od_settings; + enum SMU_11_0_ODSETTING_ID freq_setting, voltage_setting; + uint16_t *freq_ptr, *voltage_ptr; od_table = (OverDriveTable_t *)table_context->overdrive_table; if (!smu->od_enabled) { @@ -1824,8 +1826,62 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL } break; case PP_OD_EDIT_VDDC_CURVE: - // TODO: implement - return -ENOSYS; + if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) { + pr_warn("GFXCLK_CURVE not supported!\n"); + return -ENOTSUPP; + } + if (size < 3) { + pr_info("invalid number of parameters: %d\n", size); + return -EINVAL; + } + if (!od_table) { + pr_info("Overdrive is not initialized\n"); + return -EINVAL; + } + + switch (input[0]) { + case 0: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P1; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P1; + freq_ptr = &od_table->GfxclkFreq1; + voltage_ptr = &od_table->GfxclkVolt1; + break; + case 1: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P2; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P2; + freq_ptr = &od_table->GfxclkFreq2; + voltage_ptr = &od_table->GfxclkVolt2; + break; + case 2: + freq_setting = SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P3; + voltage_setting = SMU_11_0_ODSETTING_VDDGFXCURVEVOLTAGE_P3; + freq_ptr = &od_table->GfxclkFreq3; + voltage_ptr = &od_table->GfxclkVolt3; + break; + default: + pr_info("Invalid VDDC_CURVE index: %ld\n", input[0]); + pr_info("Supported indices: [0, 1, 2]\n"); + return -EINVAL; + } + ret = navi10_od_setting_check_range(od_settings, freq_setting, input[1]); + if (ret) + return ret; + // Allow setting zero to disable the OverDrive VDDC curve + if (input[2] != 0) { + ret = navi10_od_setting_check_range(od_settings, voltage_setting, input[2]); + if (ret) + return ret; + *freq_ptr = input[1]; + *voltage_ptr = ((uint16_t)input[2]) * NAVI10_VOLTAGE_SCALE; + pr_debug("OD: set curve %ld: (%d, %d)\n", input[0], *freq_ptr, *voltage_ptr); + } else { + // If setting 0, disable all voltage curve settings + od_table->GfxclkVolt1 = 0; + od_table->GfxclkVolt2 = 0; + od_table->GfxclkVolt3 = 0; + } + navi10_dump_od_table(od_table); + break; default: return -ENOSYS; } |