[PATCH] drm/i915/psr: eDP Panel Replay is not supported on pipes other than A and B

[Jouni Högander]

Do not allow Panel Replay if pipe is other than A or B.

Bspec: 68920

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2736
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 1a4ef231a53ca..699892b8c967a 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1582,6 +1582,10 @@ _panel_replay_compute_config(struct intel_dp *intel_dp,
 
 	/* Remaining checks are for eDP only */
 
+	if (to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_A &&
+	    to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_B)
+		return false;
+
 	/* 128b/132b Panel Replay is not supported on eDP */
 	if (intel_dp_is_uhbr(crtc_state)) {
 		drm_dbg_kms(display->drm,
-- 
2.34.1