From 2e122a6a579276073b72c1c3bcf5b07213145ca9 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 26 Sep 2017 11:51:58 +0800 Subject: [PATCH 1042/4131] drm/amd/powerplay: get raven sclk and mclk levels Change-Id: I40fa698cd9a25df43aa4bf476c4aa0a8b043edf9 Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Reviewed-by: Junwei Zhang --- drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 48 +++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c index 9ece560..4976bd3 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c @@ -699,7 +699,53 @@ static int rv_force_clock_level(struct pp_hwmgr *hwmgr, static int rv_print_clock_levels(struct pp_hwmgr *hwmgr, enum pp_clock_type type, char *buf) { - return 0; + struct rv_hwmgr *data = (struct rv_hwmgr *)(hwmgr->backend); + struct rv_voltage_dependency_table *mclk_table = + data->clock_vol_info.vdd_dep_on_fclk; + int i, now, size = 0; + + switch (type) { + case PP_SCLK: + PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_GetGfxclkFrequency), + "Attempt to get current GFXCLK Failed!", + return -1); + PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr->smumgr, + &now), + "Attempt to get current GFXCLK Failed!", + return -1); + + size += sprintf(buf + size, "0: %uMhz %s\n", + data->gfx_min_freq_limit / 100, + ((data->gfx_min_freq_limit / 100) + == now) ? "*" : ""); + size += sprintf(buf + size, "1: %uMhz %s\n", + data->gfx_max_freq_limit / 100, + ((data->gfx_max_freq_limit / 100) + == now) ? "*" : ""); + break; + case PP_MCLK: + PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_GetFclkFrequency), + "Attempt to get current MEMCLK Failed!", + return -1); + PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr->smumgr, + &now), + "Attempt to get current MEMCLK Failed!", + return -1); + + for (i = 0; i < mclk_table->count; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, + mclk_table->entries[i].clk / 100, + ((mclk_table->entries[i].clk / 100) + == now) ? "*" : ""); + break; + default: + break; + } + + return size; } static int rv_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, -- 2.7.4