[PATCH v5 7/7] drm/i915/psr: Use TRANS_PUSH to trigger frame change event

Jouni Högander jouni.hogander at intel.com
Tue Jul 15 05:40:24 UTC 2025


Now we have everything in place for triggering PSR "frame change" event
using TRANS_PUSH: use TRANS_PUSH for LunarLake and onwards.

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index d3f4828279aa..b2fd601a437c 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -4282,5 +4282,7 @@ bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
 
 bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
 {
-	return false;
+	struct intel_display *display = to_intel_display(crtc_state);
+
+	return DISPLAY_VER(display) >= 20 || crtc_state->has_psr;
 }
-- 
2.43.0



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