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Commit cfda08cd authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/icl: Add missing combo PHY lane power setup 



This step of the BSpec combo PHY port enabling is missing, so add it
now.

v2:
- Rebased on the new fixed v2 version of the helper.
v3:
- Use intel_ instead of icl_ prefix. (Jani)

Reported-by: default avatarVille Syrjala <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190425185253.3197-2-imre.deak@intel.com
parent bd60a562

drivers/gpu/drm/i915/intel_ddi.c

+10 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 


#include "i915_drv.h"

#include "intel_audio.h"

#include "intel_combo_phy.h"

#include "intel_connector.h"

#include "intel_ddi.h"

#include "intel_dp.h"
@@ -3115,6 +3116,15 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, 
	else

		intel_prepare_dp_ddi_buffers(encoder, crtc_state);



	if (intel_port_is_combophy(dev_priv, port)) {

		bool lane_reversal =

			dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;



		intel_combo_phy_power_up_lanes(dev_priv, port, false,

					       crtc_state->lane_count,

					       lane_reversal);

	}



	intel_ddi_init_dp_buf_reg(encoder);

	if (!is_mst)

		intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);