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>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index d1bab98..d28227e 100644 (file)
--- 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 e18c083..e17237c 100644 (file)
--- 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);