From 0326d81c03a8211221b6b392e7e6d567ce7d7605 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Mon, 21 Oct 2019 14:36:36 +0300 Subject: [PATCH] drm/i915: Add new CNL PCH ID seen on a CML platform On a CML platform a PCH with 0xA3C1 PCI ID, the driver doesn't detect the PCH type correctly. We don't have the specification of the PCH PCI ids, so let's assume this is a CNP PCH which has the closest PCI ID. Signed-off-by: Imre Deak --- drivers/gpu/drm/i915/intel_pch.c | 1 + drivers/gpu/drm/i915/intel_pch.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c index 1035d3d46fd8..43f23820d032 100644 --- a/drivers/gpu/drm/i915/intel_pch.c +++ b/drivers/gpu/drm/i915/intel_pch.c @@ -61,6 +61,7 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id) /* KBP is SPT compatible */ return PCH_SPT; case INTEL_PCH_CNP_DEVICE_ID_TYPE: + case INTEL_PCH_CNP2_DEVICE_ID_TYPE: DRM_DEBUG_KMS("Found Cannon Lake PCH (CNP)\n"); WARN_ON(!IS_CANNONLAKE(dev_priv) && !IS_COFFEELAKE(dev_priv)); return PCH_CNP; diff --git a/drivers/gpu/drm/i915/intel_pch.h b/drivers/gpu/drm/i915/intel_pch.h index f4dc18c34291..1115c6a0522c 100644 --- a/drivers/gpu/drm/i915/intel_pch.h +++ b/drivers/gpu/drm/i915/intel_pch.h @@ -40,6 +40,7 @@ enum intel_pch { #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00 #define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA280 #define INTEL_PCH_CNP_DEVICE_ID_TYPE 0xA300 +#define INTEL_PCH_CNP2_DEVICE_ID_TYPE 0xA380 #define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE 0x9D80 #define INTEL_PCH_CMP_DEVICE_ID_TYPE 0x0280 #define INTEL_PCH_CMP2_DEVICE_ID_TYPE 0x0680 -- 2.17.1