[PATCH v2 01/10] drm/i915/cmtg: enable cmtg LNL onwards

[Animesh Manna <animesh.manna@intel.com>]

Introduce a flag for cmtg. LNL onwards CMTG support will be added.
Set the flag as per DISPLAY_VER() check.

Signed-off-by: Animesh Manna <animesh.manna@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_types.h | 4 ++++
 drivers/gpu/drm/i915/display/intel_dp.c            | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index e6298279dc89..1081615a14fb 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1569,6 +1569,10 @@ struct intel_crtc {
 #endif
 
 	bool vblank_psr_notify;
+
+	struct {
+		bool enable;
+	} cmtg;
 };
 
 struct intel_plane_error {
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index e2fd01d1a1e4..ecf8ed0c0265 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3445,6 +3445,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	const struct drm_display_mode *fixed_mode;
 	struct intel_connector *connector = intel_dp->attached_connector;
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	int ret = 0, link_bpp_x16;
 
 	fixed_mode = intel_panel_fixed_mode(connector, adjusted_mode);
@@ -3549,6 +3550,9 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);
 	intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state);
 
+	if (DISPLAY_VER(display) >= 15 && intel_dp_is_edp(intel_dp))
+		crtc->cmtg.enable = true;
+
 	return intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector,
 							pipe_config);
 }
-- 
2.29.0