Revert "drm/radeon/dpm: drop clk/voltage dependency filters for SI"

This reverts commit 186b1b2ba2a0684e3d2d3703427a993a3b35b16d.

There are still some stability problems on some SI boards so bring
this back.

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 9e4d5d7d348f280881f7065862990095e5cee9df..70e61ffeace245aca431cc13c4fa5f833b0580de 100644 (file)
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2916,6 +2916,7 @@ 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) ||
@@ -2949,6 +2950,29 @@ 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) {