[PATCH v5 13/13] drm/i915/psr: Allow DSB usage when PSR is enabled

[Jouni Högander]

Now as we have correct PSR2_MAN_TRK_CTL handling in place we can allow DSB
usage also when PSR is enabled for LunarLake onwards.

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
Reviewed-by: Animesh Manna <animesh.manna at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 6da46406576de..66b3b3e79e9cc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7697,7 +7697,7 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 	new_crtc_state->use_dsb =
 		new_crtc_state->update_planes &&
 		!new_crtc_state->do_async_flip &&
-		!new_crtc_state->has_psr &&
+		(DISPLAY_VER(display) >= 20 || !new_crtc_state->has_psr) &&
 		!new_crtc_state->scaler_state.scaler_users &&
 		!old_crtc_state->scaler_state.scaler_users &&
 		!intel_crtc_needs_modeset(new_crtc_state) &&
-- 
2.43.0