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Commit 05bf51d3 authored by Ville Syrjälä's avatar Ville Syrjälä
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drm/i915: Allow eDP on port C in theory 



The power sequencer has bits to allow DP C to be used for eDP.
Currently we assume this will never happen, but I guess it could
theoretically be a thing. Make the code do the right thing in that
case, and toss in a MISSING_CASE() for any other port.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180518152931.13104-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 59b74c49

drivers/gpu/drm/i915/intel_dp.c

+12 −2
Original line number Diff line number Diff line
@@ -5712,10 +5712,20 @@ intel_dp_init_panel_power_sequencer_registers(struct intel_dp *intel_dp, 
	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {

		port_sel = PANEL_PORT_SELECT_VLV(port);

	} else if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv)) {

		if (port == PORT_A)

		switch (port) {

		case PORT_A:

			port_sel = PANEL_PORT_SELECT_DPA;

		else

			break;

		case PORT_C:

			port_sel = PANEL_PORT_SELECT_DPC;

			break;

		case PORT_D:

			port_sel = PANEL_PORT_SELECT_DPD;

			break;

		default:

			MISSING_CASE(port);

			break;

		}

	}



	pp_on |= port_sel;