diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/vega20_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index 8fafcbdb1dfd..4aa8f5a69c4c 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -2374,6 +2374,157 @@ static int vega20_odn_edit_dpm_table(struct smu_context *smu, return ret; } +static int vega20_get_enabled_smc_features(struct smu_context *smu, + uint64_t *features_enabled) +{ + uint32_t feature_mask[2] = {0, 0}; + int ret = 0; + + ret = smu_feature_get_enabled_mask(smu, feature_mask, 2); + if (ret) + return ret; + + *features_enabled = ((((uint64_t)feature_mask[0] << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) | + (((uint64_t)feature_mask[1] << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK)); + + return ret; +} + +static int vega20_enable_smc_features(struct smu_context *smu, + bool enable, uint64_t feature_mask) +{ + uint32_t smu_features_low, smu_features_high; + int ret = 0; + + smu_features_low = (uint32_t)((feature_mask & SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT); + smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT); + + if (enable) { + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesLow, + smu_features_low); + if (ret) + return ret; + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesHigh, + smu_features_high); + if (ret) + return ret; + } else { + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesLow, + smu_features_low); + if (ret) + return ret; + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesHigh, + smu_features_high); + if (ret) + return ret; + } + + return 0; + +} + +static int vega20_get_ppfeature_status(struct smu_context *smu, char *buf) +{ + static const char *ppfeature_name[] = { + "DPM_PREFETCHER", + "GFXCLK_DPM", + "UCLK_DPM", + "SOCCLK_DPM", + "UVD_DPM", + "VCE_DPM", + "ULV", + "MP0CLK_DPM", + "LINK_DPM", + "DCEFCLK_DPM", + "GFXCLK_DS", + "SOCCLK_DS", + "LCLK_DS", + "PPT", + "TDC", + "THERMAL", + "GFX_PER_CU_CG", + "RM", + "DCEFCLK_DS", + "ACDC", + "VR0HOT", + "VR1HOT", + "FW_CTF", + "LED_DISPLAY", + "FAN_CONTROL", + "GFX_EDC", + "GFXOFF", + "CG", + "FCLK_DPM", + "FCLK_DS", + "MP1CLK_DS", + "MP0CLK_DS", + "XGMI", + "ECC"}; + static const char *output_title[] = { + "FEATURES", + "BITMASK", + "ENABLEMENT"}; + uint64_t features_enabled; + int i; + int ret = 0; + int size = 0; + + ret = vega20_get_enabled_smc_features(smu, &features_enabled); + if (ret) + return ret; + + size += sprintf(buf + size, "Current ppfeatures: 0x%016llx\n", features_enabled); + size += sprintf(buf + size, "%-19s %-22s %s\n", + output_title[0], + output_title[1], + output_title[2]); + for (i = 0; i < GNLD_FEATURES_MAX; i++) { + size += sprintf(buf + size, "%-19s 0x%016llx %6s\n", + ppfeature_name[i], + 1ULL << i, + (features_enabled & (1ULL << i)) ? "Y" : "N"); + } + + return size; +} + +static int vega20_set_ppfeature_status(struct smu_context *smu, uint64_t new_ppfeature_masks) +{ + uint64_t features_enabled; + uint64_t features_to_enable; + uint64_t features_to_disable; + int ret = 0; + + if (new_ppfeature_masks >= (1ULL << GNLD_FEATURES_MAX)) + return -EINVAL; + + ret = vega20_get_enabled_smc_features(smu, &features_enabled); + if (ret) + return ret; + + features_to_disable = + features_enabled & ~new_ppfeature_masks; + features_to_enable = + ~features_enabled & new_ppfeature_masks; + + pr_debug("features_to_disable 0x%llx\n", features_to_disable); + pr_debug("features_to_enable 0x%llx\n", features_to_enable); + + if (features_to_disable) { + ret = vega20_enable_smc_features(smu, false, features_to_disable); + if (ret) + return ret; + } + + if (features_to_enable) { + ret = vega20_enable_smc_features(smu, true, features_to_enable); + if (ret) + return ret; + } + + return 0; +} + static const struct pptable_funcs vega20_ppt_funcs = { .alloc_dpm_context = vega20_allocate_dpm_context, .store_powerplay_table = vega20_store_powerplay_table, @@ -2404,6 +2555,8 @@ static const struct pptable_funcs vega20_ppt_funcs = { .unforce_dpm_levels = vega20_unforce_dpm_levels, .upload_dpm_level = vega20_upload_dpm_level, .get_profiling_clk_mask = vega20_get_profiling_clk_mask, + .set_ppfeature_status = vega20_set_ppfeature_status, + .get_ppfeature_status = vega20_get_ppfeature_status, }; void vega20_set_ppt_funcs(struct smu_context *smu) |