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

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@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916085706.2160511-1-jouni.hogander@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 4f29ac32ff85bc16d926130673ebcc5e2b176f81..5ed446f1e3bab88e1147991bc4fe968e3589b049 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1601,6 +1601,10 @@ _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,