From 234aece0b860ba38b511cfc62a730a11871ec903 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Wed, 11 Dec 2019 13:08:44 +0200
Subject: drm/i915/dsi: fix pipe D readout for DSI transcoders
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Git-commit: 9c569784a422e9eaa1c6f61e46a41011391e4d1d
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Commit 4d89adc7b56f ("drm/i915/display/dsi: Add support to pipe D")
added pipe D support for DSI, but failed to update the state readout.

Fixes: 4d89adc7b56f ("drm/i915/display/dsi: Add support to pipe D")
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191211110844.2996-1-jani.nikula@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index e756b489e2c6..692103efae0b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -10422,6 +10422,9 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
 		case TRANS_DDI_EDP_INPUT_C_ONOFF:
 			trans_pipe = PIPE_C;
 			break;
+		case TRANS_DDI_EDP_INPUT_D_ONOFF:
+			trans_pipe = PIPE_D;
+			break;
 		}
 
 		if (trans_pipe == crtc->pipe) {
-- 
2.28.0