drm/amd/display: Create debug option to disable v.active clock change policy.

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / display / dc / dml / dcn20 / display_mode_vba_20v2.c

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index d63ca4c..62dfd36 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -2611,12 +2611,12 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP
                        mode_lib->vba.MinActiveDRAMClockChangeMargin
                                        + mode_lib->vba.DRAMClockChangeLatency;
 
-
-       if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 50) {
+       if (mode_lib->vba.DRAMClockChangeSupportsVActive &&
+               mode_lib->vba.MinActiveDRAMClockChangeMargin > 50) {
                mode_lib->vba.DRAMClockChangeWatermark += 25;
                mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive;
        } else if (mode_lib->vba.DummyPStateCheck &&
-                               mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) {
+                       mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) {
                mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive;
        } else {
                if (mode_lib->vba.SynchronizedVBlank || mode_lib->vba.NumberOfActivePlanes == 1) {