From 3a2a59ccb11c93e778f83548b6963e4d061f5810 Mon Sep 17 00:00:00 2001
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Mon, 29 Jan 2018 15:22:19 -0800
Subject: [PATCH] drm/i915/cnl: Add right GMBUS pin number for HDMI on Port F.
Git-commit: 3a2a59ccb11c93e778f83548b6963e4d061f5810
Patch-mainline: v4.17-rc1
References: FATE#322643 bsc#1055900

On CNP Pin 3 is for misc of Port F usage depending on the
configuration. For CNL that uses Port F, pin 3 is the one.

V2: Make it more generic and update commit message.

Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180129232223.766-6-rodrigo.vivi@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_hdmi.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1932,6 +1932,9 @@ static u8 cnp_port_to_ddc_pin(struct drm
 	case PORT_D:
 		ddc_pin = GMBUS_PIN_4_CNP;
 		break;
+	case PORT_F:
+		ddc_pin = GMBUS_PIN_3_BXT;
+		break;
 	default:
 		MISSING_CASE(port);
 		ddc_pin = GMBUS_PIN_1_BXT;