drm/amd/powerplay: use min_clock_in_sr for deep sleep feature.

This comes from the display handling code.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-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/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
index 89f31bc..025a3ed 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
@@ -1885,6 +1885,23 @@ static int fiji_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr,
 
        return 0;
 }
+
+static uint8_t fiji_get_sleep_divider_id_from_clock(struct pp_hwmgr *hwmgr,
+                                               uint32_t clock, uint32_t clock_insr)
+{
+       uint8_t i;
+       uint32_t temp;
+       uint32_t min = clock_insr > 2500 ? clock_insr : 2500;
+
+       PP_ASSERT_WITH_CODE((clock >= min), "Engine clock can't satisfy stutter requirement!", return 0);
+       for (i = FIJI_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
+               temp = clock / (1UL << i);
+
+               if (temp >= min || i == 0)
+                       break;
+       }
+       return i;
+}
 /**
 * Populates single SMC SCLK structure using the provided engine clock
 *
@@ -1928,17 +1945,13 @@ static int fiji_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
 
        threshold = clock * data->fast_watermark_threshold / 100;
 
-       /*
-       * TODO: get minimum clocks from dal configaration
-       * PECI_GetMinClockSettings(hwmgr->pPECI, &minClocks);
-       */
-       /* data->DisplayTiming.minClockInSR = minClocks.engineClockInSR; */
 
-       /* get level->DeepSleepDivId
-       if (phm_cap_enabled(hwmgr->platformDescriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep))
-       {
-       level->DeepSleepDivId = PhwFiji_GetSleepDividerIdFromClock(hwmgr, clock, minClocks.engineClockInSR);
-       } */
+       data->display_timing.min_clock_in_sr = hwmgr->display_config.min_core_set_clock_in_sr;
+
+       if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep))
+               level->DeepSleepDivId = fiji_get_sleep_divider_id_from_clock(hwmgr, clock,
+                                                               hwmgr->display_config.min_core_set_clock_in_sr);
+
 
        /* Default to slow, highest DPM level will be
         * set to PPSMC_DISPLAY_WATERMARK_LOW later.
@@ -4066,7 +4079,6 @@ static int fiji_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, cons
        struct fiji_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
        uint32_t mclk = fiji_ps->performance_levels
                        [fiji_ps->performance_level_count - 1].memory_clock;
-       struct PP_Clocks min_clocks = {0};
        uint32_t i;
        struct cgs_display_info info = {0};
 
@@ -4080,10 +4092,8 @@ static int fiji_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, cons
        if (i >= sclk_table->count)
                data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
        else {
-       /* TODO: Check SCLK in DAL's minimum clocks
-        * in case DeepSleep divider update is required.
-        */
-               if(data->display_timing.min_clock_in_sr != min_clocks.engineClockInSR)
+               if(data->display_timing.min_clock_in_sr !=
+                       hwmgr->display_config.min_core_set_clock_in_sr)
                        data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
        }
 
@@ -5252,12 +5262,12 @@ bool fiji_check_smc_update_required_for_display_configuration(struct pp_hwmgr *h
 
        if (data->display_timing.num_existing_displays != info.display_count)
                is_update_required = true;
-/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL
-       if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
-               cgs_get_min_clock_settings(hwmgr->device, &min_clocks);
-               if(min_clocks.engineClockInSR != data->display_timing.minClockInSR)
+
+       if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
+               if(hwmgr->display_config.min_core_set_clock_in_sr != data->display_timing.min_clock_in_sr)
                        is_update_required = true;
-*/
+       }
+
        return is_update_required;
 }