drm/amd/powerplay: add function display_configuration_changed for navi10

[linux.git] / drivers / gpu / drm / amd / powerplay / navi10_ppt.c

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 50bdbb7c2908a13f1dc2210cdf1e2d50ce5ae5e4..bcd2adca6ed7bdf34ca6f32889c11061b224c1b8 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -671,6 +671,30 @@ static int navi10_pre_display_config_changed(struct smu_context *smu)
        return ret;
 }
 
+static int navi10_display_config_changed(struct smu_context *smu)
+{
+       int ret = 0;
+
+       if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
+           !(smu->watermarks_bitmap & WATERMARKS_LOADED)) {
+               ret = smu_write_watermarks_table(smu);
+               if (ret)
+                       return ret;
+
+               smu->watermarks_bitmap |= WATERMARKS_LOADED;
+       }
+
+       if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
+           smu_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
+           smu_feature_is_supported(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
+               ret = smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays,
+                                                 smu->display_config->num_display);
+               if (ret)
+                       return ret;
+       }
+
+       return ret;
+}
 static const struct pptable_funcs navi10_ppt_funcs = {
        .tables_init = navi10_tables_init,
        .alloc_dpm_context = navi10_allocate_dpm_context,
@@ -691,6 +715,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
        .populate_umd_state_clk = navi10_populate_umd_state_clk,
        .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,
 };
 
 void navi10_set_ppt_funcs(struct smu_context *smu)