Enable retrieving and setting ppfeatures on Vega12. Change-Id: Idad5eaadbb9e7ea73edd9e9d4fe4e1a5b17fb7a6 Signed-off-by: Evan Quan <evan.quan@xxxxxxx> --- .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index 45a45669d2ec..342f8b81ca82 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -1933,6 +1933,104 @@ static int vega12_force_clock_level(struct pp_hwmgr *hwmgr, return 0; } +static int vega12_get_ppfeature_status(struct pp_hwmgr *hwmgr, 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", + "DIDT", + "GFXOFF", + "CG", + "ACG"}; + static const char *output_title[] = { + "FEATURES", + "BITMASK", + "ENABLEMENT"}; + uint64_t features_enabled; + int i; + int ret = 0; + int size = 0; + + ret = vega12_get_enabled_smc_features(hwmgr, &features_enabled); + PP_ASSERT_WITH_CODE(!ret, + "[EnableAllSmuFeatures] Failed to get enabled smc features!", + 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 vega12_set_ppfeature_status(struct pp_hwmgr *hwmgr, 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 = vega12_get_enabled_smc_features(hwmgr, &features_enabled); + if (ret) + return ret; + + features_to_disable = + (features_enabled ^ new_ppfeature_masks) & features_enabled; + features_to_enable = + (features_enabled ^ new_ppfeature_masks) ^ features_to_disable; + + 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 = vega12_enable_smc_features(hwmgr, false, features_to_disable); + if (ret) + return ret; + } + + if (features_to_enable) { + ret = vega12_enable_smc_features(hwmgr, true, features_to_enable); + if (ret) + return ret; + } + + return 0; +} + static int vega12_print_clock_levels(struct pp_hwmgr *hwmgr, enum pp_clock_type type, char *buf) { @@ -2528,6 +2626,8 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = { .start_thermal_controller = vega12_start_thermal_controller, .powergate_gfx = vega12_gfx_off_control, .get_performance_level = vega12_get_performance_level, + .get_ppfeature_status = vega12_get_ppfeature_status, + .set_ppfeature_status = vega12_set_ppfeature_status, }; int vega12_hwmgr_init(struct pp_hwmgr *hwmgr) -- 2.20.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx