diff mbox series

[2/2] drm/i915/display: Don't wait for vblank for LUT DSB programming

Message ID 20250225180905.1588084-3-chaitanya.kumar.borah@intel.com (mailing list archive)
State New
Headers show
Series drm/xe/display: Program double buffered LUT registers | expand

Commit Message

Chaitanya Kumar Borah Feb. 25, 2025, 6:09 p.m. UTC 
From PTL, LUT registers are made double buffered. With this change,
we don't need to wait for vblank to program them. Start DSB1 for
programming them without waiting for vblank.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 919e236a9650..9c3fdfcd6759 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7352,6 +7352,7 @@  static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 {
 	struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
+	struct intel_display *display = to_intel_display(state);
 
 	if (!new_crtc_state->use_dsb && !new_crtc_state->dsb_color_vblank)
 		return;
@@ -7408,7 +7409,8 @@  static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 
 	if (new_crtc_state->dsb_color_vblank)
 		intel_dsb_chain(state, new_crtc_state->dsb_commit,
-				new_crtc_state->dsb_color_vblank, true);
+				new_crtc_state->dsb_color_vblank,
+				HAS_DOUBLE_BUFFERED_LUT(display) ? false : true);
 
 	intel_dsb_finish(new_crtc_state->dsb_commit);
 }