1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index cfe5d4d28915..9ace28702c76 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2910,6 +2910,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
         bool disable_sclk_switching = false;
         u32 mclk, sclk;
         u16 vddc, vddci;
+        u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
         int i;
 
         if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
@@ -2943,6 +2944,29 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
                 }
         }
 
+        /* limit clocks to max supported clocks based on voltage dependency tables */
+        btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+                                                        &max_sclk_vddc);
+        btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+                                                        &max_mclk_vddci);
+        btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+                                                        &max_mclk_vddc);
+
+        for (i = 0; i < ps->performance_level_count; i++) {
+                if (max_sclk_vddc) {
+                        if (ps->performance_levels[i].sclk > max_sclk_vddc)
+                                ps->performance_levels[i].sclk = max_sclk_vddc;
+                }
+                if (max_mclk_vddci) {
+                        if (ps->performance_levels[i].mclk > max_mclk_vddci)
+                                ps->performance_levels[i].mclk = max_mclk_vddci;
+                }
+                if (max_mclk_vddc) {
+                        if (ps->performance_levels[i].mclk > max_mclk_vddc)
+                                ps->performance_levels[i].mclk = max_mclk_vddc;
+                }
+        }
+
         /* XXX validate the min clocks required for display */
 
         if (disable_mclk_switching) {