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Commit 812b1d2f authored Nov 21, 2016 by Bob Paauwe Committed by Ville Syrjälä Nov 23, 2016

drm/i915/bxt: Correct dual-link MIPI port control.

For BXT, there is only one bit that enables/disables dual-link mode
and not different bits depending on which pipe is being used.

Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479767046-3964-1-git-send-email-bob.j.paauwe@intel.com

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

parent 49845a23

drivers/gpu/drm/i915/intel_dsi.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -476,6 +476,9 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder)
		if (intel_dsi->ports == (BIT(PORT_A) \| BIT(PORT_C))) {
		temp \|= (intel_dsi->dual_link - 1)
		<< DUAL_LINK_MODE_SHIFT;
		if (IS_BROXTON(dev_priv))
		temp \|= LANE_CONFIGURATION_DUAL_LINK_A;
		else
		temp \|= intel_crtc->pipe ?
		LANE_CONFIGURATION_DUAL_LINK_B :
		LANE_CONFIGURATION_DUAL_LINK_A;