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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 <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2018-06-11 16:40:57 +08:00 committed by Alex Deucher
parent a0a59c8fc7
commit e17c7f92b2
2 changed files with 164 additions and 0 deletions
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162
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
View File

@ -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,

2
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
View File

@ -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);