From e17c7f92b2b7c2f14934c305a8d72bbb0bf6f362 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 11 Jun 2018 16:40:57 +0800 Subject: [PATCH] drm/amd/powerplay: apply clocks adjust rules on power state change This add the apply_clocks_adjust_rules callback which is used to validate the clock settings on a power state change. Signed-off-by: Evan Quan Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 162 ++++++++++++++++++ .../drm/amd/powerplay/hwmgr/vega12_hwmgr.h | 2 + 2 files changed, 164 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index d1bab9845b08..d28227efe906 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -1950,6 +1950,166 @@ static int vega12_print_clock_levels(struct pp_hwmgr *hwmgr, return size; } +static int vega12_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr) +{ + struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + struct vega12_single_dpm_table *dpm_table; + bool vblank_too_short = false; + bool disable_mclk_switching; + uint32_t i, latency; + + disable_mclk_switching = ((1 < hwmgr->display_config->num_display) && + !hwmgr->display_config->multi_monitor_in_sync) || + vblank_too_short; + latency = hwmgr->display_config->dce_tolerable_mclk_in_active_latency; + + /* gfxclk */ + dpm_table = &(data->dpm_table.gfx_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_GFXCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_GFXCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_GFXCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[0].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + /* memclk */ + dpm_table = &(data->dpm_table.mem_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_MCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_MCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_MCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[0].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + /* honour DAL's UCLK Hardmin */ + if (dpm_table->dpm_state.hard_min_level < (hwmgr->display_config->min_mem_set_clock / 100)) + dpm_table->dpm_state.hard_min_level = hwmgr->display_config->min_mem_set_clock / 100; + + /* Hardmin is dependent on displayconfig */ + if (disable_mclk_switching) { + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + for (i = 0; i < data->mclk_latency_table.count - 1; i++) { + if (data->mclk_latency_table.entries[i].latency <= latency) { + if (dpm_table->dpm_levels[i].value >= (hwmgr->display_config->min_mem_set_clock / 100)) { + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[i].value; + break; + } + } + } + } + + if (hwmgr->display_config->nb_pstate_switch_disable) + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + /* vclk */ + dpm_table = &(data->dpm_table.vclk_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_UVDCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + /* dclk */ + dpm_table = &(data->dpm_table.dclk_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_UVDCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + /* socclk */ + dpm_table = &(data->dpm_table.soc_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_SOCCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_SOCCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_SOCCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + /* eclk */ + dpm_table = &(data->dpm_table.eclk_table); + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value; + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + + if (PP_CAP(PHM_PlatformCaps_UMDPState)) { + if (VEGA12_UMD_PSTATE_VCEMCLK_LEVEL < dpm_table->count) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_VCEMCLK_LEVEL].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_VCEMCLK_LEVEL].value; + } + + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) { + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + } + } + + return 0; +} + static int vega12_display_configuration_changed_task(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); @@ -2202,6 +2362,8 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = { .display_clock_voltage_request = vega12_display_clock_voltage_request, .force_clock_level = vega12_force_clock_level, .print_clock_levels = vega12_print_clock_levels, + .apply_clocks_adjust_rules = + vega12_apply_clocks_adjust_rules, .display_config_changed = vega12_display_configuration_changed_task, .powergate_uvd = vega12_power_gate_uvd, .powergate_vce = vega12_power_gate_vce, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h index e18c08308602..e17237c90eea 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h @@ -443,6 +443,8 @@ struct vega12_hwmgr { #define VEGA12_UMD_PSTATE_GFXCLK_LEVEL 0x3 #define VEGA12_UMD_PSTATE_SOCCLK_LEVEL 0x3 #define VEGA12_UMD_PSTATE_MCLK_LEVEL 0x2 +#define VEGA12_UMD_PSTATE_UVDCLK_LEVEL 0x3 +#define VEGA12_UMD_PSTATE_VCEMCLK_LEVEL 0x3 int vega12_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable); -- 2.30.2