From: Alvin Lee <alvin.l...@amd.com>
[Why]
We will hang if we report switch in VACTIVE but not in VBLANK and DPG_EN = 1
[How]
Block switch in ACTIVE if not supported in BLANK
Signed-off-by: Alvin Lee <alvin.l...@amd.com>
Reviewed-by: Jun Lei <jun....@amd.com>
Acked-by: Eryk Brol <eryk.b...@amd.com>
---
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index 50b7d011705d..9e0ae18e71fa 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -5558,7 +5558,7 @@ static void CalculateWatermarksAndDRAMSpeedChangeSupport(
}
}
- if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) {
+ if (mode_lib->vba.MinActiveDRAMClockChangeMargin > 0 && PrefetchMode ==
0) {
*DRAMClockChangeSupport = dm_dram_clock_change_vactive;
} else if (((mode_lib->vba.SynchronizedVBlank == true ||
mode_lib->vba.TotalNumberOfActiveOTG == 1 ||
SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank > 0) && PrefetchMode ==
0)) {
*DRAMClockChangeSupport = dm_dram_clock_change_vblank;
--
2.25.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
