[PATCH v3 10/10] 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.hogan...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index e448ff64660a..58575800fad2 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7631,6 +7631,7 @@ static void intel_atomic_dsb_finish(struct 
intel_atomic_state *state,
                intel_atomic_get_old_crtc_state(state, crtc);
        struct intel_crtc_state *new_crtc_state =
                intel_atomic_get_new_crtc_state(state, crtc);
+       struct intel_display *display = to_intel_display(crtc);
 
        if (!new_crtc_state->hw.active)
                return;
@@ -7643,7 +7644,7 @@ static void intel_atomic_dsb_finish(struct 
intel_atomic_state *state,
                new_crtc_state->update_planes &&
                !new_crtc_state->vrr.enable &&
                !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