drm/amd/powerplay: add function notify_smc_display_config_change for navi10

add callback function notify_smc_display_config_change for navi10 asic

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index e2b6c27..2f210c8 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1071,6 +1071,45 @@ static int navi10_get_profiling_clk_mask(struct smu_context *smu,
        return ret;
 }
 
+static int navi10_notify_smc_dispaly_config(struct smu_context *smu)
+{
+       struct smu_clocks min_clocks = {0};
+       struct pp_display_clock_request clock_req;
+       int ret = 0;
+
+       min_clocks.dcef_clock = smu->display_config->min_dcef_set_clk;
+       min_clocks.dcef_clock_in_sr = smu->display_config->min_dcef_deep_sleep_set_clk;
+       min_clocks.memory_clock = smu->display_config->min_mem_set_clock;
+
+       if (smu_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
+               clock_req.clock_type = amd_pp_dcef_clock;
+               clock_req.clock_freq_in_khz = min_clocks.dcef_clock * 10;
+               if (!smu_display_clock_voltage_request(smu, &clock_req)) {
+                       if (smu_feature_is_supported(smu, SMU_FEATURE_DS_DCEFCLK_BIT)) {
+                               ret = smu_send_smc_msg_with_param(smu,
+                                                                 SMU_MSG_SetMinDeepSleepDcefclk,
+                                                                 min_clocks.dcef_clock_in_sr/100);
+                               if (ret) {
+                                       pr_err("Attempt to set divider for DCEFCLK Failed!");
+                                       return ret;
+                               }
+                       }
+               } else {
+                       pr_info("Attempt to set Hard Min for DCEFCLK Failed!");
+               }
+       }
+
+       if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
+               ret = smu_set_hard_freq_range(smu, SMU_UCLK, min_clocks.memory_clock/100, 0);
+               if (ret) {
+                       pr_err("[%s] Set hard min uclk failed!", __func__);
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
 static const struct pptable_funcs navi10_ppt_funcs = {
        .tables_init = navi10_tables_init,
        .alloc_dpm_context = navi10_allocate_dpm_context,
@@ -1093,6 +1132,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
        .get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency,
        .pre_display_config_changed = navi10_pre_display_config_changed,
        .display_config_changed = navi10_display_config_changed,
+       .notify_smc_dispaly_config = navi10_notify_smc_dispaly_config,
        .force_dpm_limit_value = navi10_force_dpm_limit_value,
        .unforce_dpm_levels = navi10_unforce_dpm_levels,
        .get_gpu_power = navi10_get_gpu_power,