From: Anusha Srivatsa <anusha.srivatsa@intel.com>
Date: Mon, 21 May 2018 17:25:43 -0700
Subject: drm/i915/icl: Add Icelake PCH detection
Git-commit: f17ca5010c34e99e4035f22437f8b83452584a26
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

This patch adds the support to detect PCH_ICP.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Suggested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-10-paulo.r.zanoni@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/i915_drv.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -233,6 +233,8 @@ intel_virt_detect_pch(const struct drm_i
 		id = INTEL_PCH_SPT_DEVICE_ID_TYPE;
 	else if (IS_COFFEELAKE(dev_priv) || IS_CANNONLAKE(dev_priv))
 		id = INTEL_PCH_CNP_DEVICE_ID_TYPE;
+	else if (IS_ICELAKE(dev_priv))
+		id = INTEL_PCH_ICP_DEVICE_ID_TYPE;
 
 	if (id)
 		DRM_DEBUG_KMS("Assuming PCH ID %04x\n", id);