From d45aec0536d4180bc6e9a79f5342bcf0e4f9b660 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 14 Jun 2017 18:46:14 -0400 Subject: [PATCH] drm/amd/powerplay: add CZ profile support Support the profiling modes for sclk. v2: delete profileing mode for mclk. Signed-off-by: Alex Deucher Signed-off-by: Rex Zhu Tested-and-Reviewed-by Rex Zhu Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 82 +++++++++++++++++++++++++- 1 file changed, 80 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c index 22b7d12..bc839ff 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -1312,33 +1312,111 @@ static int cz_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr) return 0; } +static int cz_phm_force_dpm_sclk(struct pp_hwmgr *hwmgr, uint32_t sclk) +{ + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + sclk, + PPSMC_MSG_SetSclkSoftMin)); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + sclk, + PPSMC_MSG_SetSclkSoftMax)); + return 0; +} + +static int cz_get_profiling_clk(struct pp_hwmgr *hwmgr, uint32_t *sclk) +{ + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + int32_t tmp_sclk; + int32_t count; + + tmp_sclk = table->entries[table->count-1].clk * 70 / 100; + + for (count = table->count-1; count >= 0; count--) { + if (tmp_sclk >= table->entries[count].clk) { + tmp_sclk = table->entries[count].clk; + *sclk = tmp_sclk; + break; + } + } + if (count < 0) + *sclk = table->entries[0].clk; + + return 0; +} + static int cz_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level) { + uint32_t sclk = 0; int ret = 0; + uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; + + if (level == hwmgr->dpm_level) + return ret; + + if (!(hwmgr->dpm_level & profile_mode_mask)) { + /* enter profile mode, save current level, disable gfx cg*/ + if (level & profile_mode_mask) { + hwmgr->saved_dpm_level = hwmgr->dpm_level; + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_UNGATE); + } + } else { + /* exit profile mode, restore level, enable gfx cg*/ + if (!(level & profile_mode_mask)) { + if (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT) + level = hwmgr->saved_dpm_level; + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_GATE); + } + } switch (level) { case AMD_DPM_FORCED_LEVEL_HIGH: + case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: ret = cz_phm_force_dpm_highest(hwmgr); if (ret) return ret; + hwmgr->dpm_level = level; break; case AMD_DPM_FORCED_LEVEL_LOW: + case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK: ret = cz_phm_force_dpm_lowest(hwmgr); if (ret) return ret; + hwmgr->dpm_level = level; break; case AMD_DPM_FORCED_LEVEL_AUTO: ret = cz_phm_unforce_dpm_levels(hwmgr); if (ret) return ret; + hwmgr->dpm_level = level; + break; + case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD: + ret = cz_get_profiling_clk(hwmgr, &sclk); + if (ret) + return ret; + hwmgr->dpm_level = level; + cz_phm_force_dpm_sclk(hwmgr, sclk); break; + case AMD_DPM_FORCED_LEVEL_MANUAL: + hwmgr->dpm_level = level; + break; + case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT: default: break; } - hwmgr->dpm_level = level; - return ret; } -- 2.7.4