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Commit 929168c5 authored by Ville Syrjälä's avatar Ville Syrjälä
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drm/i915: Disallow interlaced modes on g4x DP outputs 



Looks like interlaced DP output doesn't work on g4x either. Not all
that surprising considering we already established that interlaced
DP output is busted on VLV/CHV.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180613160553.11664-1-ville.syrjala@linux.intel.com
parent 132c27c9

drivers/gpu/drm/i915/intel_dp.c

+2 −2
Original line number Diff line number Diff line
@@ -1875,7 +1875,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, 
	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)

		return false;



	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&

	if (HAS_GMCH_DISPLAY(dev_priv) &&

	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)

		return false;
@@ -6357,7 +6357,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, 
	drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);

	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);



	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))

	if (!HAS_GMCH_DISPLAY(dev_priv))

		connector->interlace_allowed = true;

	connector->doublescan_allowed = 0;