[PATCH 14/15] drm/i915: Expose margin properties on ilk+ DP SST

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

As with HDMI let's can expose the margin properties for DP/LSPCON
on ilk+. I don't think DP has anything resembling the AVI infoframe
bar information so we don't have to worry about that part except
with LSPCON.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29723
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dp.c     | 27 ++++++++++++---------
 drivers/gpu/drm/i915/display/intel_lspcon.c |  2 ++
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 058c34013f58..a00b10f070e0 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2129,7 +2129,7 @@ intel_dp_ycbcr420_config(struct intel_dp *intel_dp,
 
 	crtc_state->output_format = INTEL_OUTPUT_FORMAT_YCBCR420;
 
-	return intel_pch_panel_fitting(crtc_state, conn_state);
+	return 0;
 }
 
 bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
@@ -2192,18 +2192,10 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	else
 		pipe_config->has_audio = intel_conn_state->force_audio == HDMI_AUDIO_ON;
 
-	if (intel_dp_is_edp(intel_dp) && intel_connector->panel.fixed_mode) {
+	if (intel_dp_is_edp(intel_dp) && intel_connector->panel.fixed_mode)
 		intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
 				       adjusted_mode);
 
-		if (HAS_GMCH(dev_priv))
-			ret = intel_gmch_panel_fitting(pipe_config, conn_state);
-		else
-			ret = intel_pch_panel_fitting(pipe_config, conn_state);
-		if (ret)
-			return ret;
-	}
-
 	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return -EINVAL;
 
@@ -2214,6 +2206,13 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
 		return -EINVAL;
 
+	if (HAS_GMCH(dev_priv) && intel_dp_is_edp(intel_dp))
+		ret = intel_gmch_panel_fitting(pipe_config, conn_state);
+	else if (!HAS_GMCH(dev_priv))
+		ret = intel_pch_panel_fitting(pipe_config, conn_state);
+	if (ret)
+		return ret;
+
 	ret = intel_dp_compute_link_config(encoder, pipe_config, conn_state);
 	if (ret < 0)
 		return ret;
@@ -6356,6 +6355,10 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 	else if (INTEL_GEN(dev_priv) >= 5)
 		drm_connector_attach_max_bpc_property(connector, 6, 12);
 
+	/*
+	 * FIXME: margins and scaling_mode are implemented
+	 * in a mutually exclusive way for the time being.
+	 */
 	if (intel_dp_is_edp(intel_dp)) {
 		u32 allowed_scalers;
 
@@ -6366,7 +6369,9 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		drm_connector_attach_scaling_mode_property(connector, allowed_scalers);
 
 		connector->state->scaling_mode = DRM_MODE_SCALE_ASPECT;
-
+	} else if (!HAS_GMCH(dev_priv)) {
+		drm_mode_create_tv_margin_properties(&dev_priv->drm);
+		drm_connector_attach_tv_margin_properties(connector);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index f8f1308643a9..664977157081 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -508,6 +508,8 @@ void lspcon_set_infoframes(struct intel_encoder *encoder,
 					   HDMI_QUANTIZATION_RANGE_LIMITED :
 					   HDMI_QUANTIZATION_RANGE_FULL);
 
+	drm_hdmi_avi_infoframe_bars(&frame.avi, conn_state);
+
 	ret = hdmi_infoframe_pack(&frame, buf, sizeof(buf));
 	if (ret < 0) {
 		DRM_ERROR("Failed to pack AVI IF\n");
-- 
2.21.0

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