Attachment 145786 Details for Bug 112051 – Fix PCH type detection

[patch] Fix PCH type detection

0001-drm-i915-Add-new-CNL-PCH-ID-seen-on-a-CML-platform.patch (text/plain), 1.68 KB, created by Imre Deak on 2019-10-21 11:44:24 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Imre Deak

Created: 2019-10-21 11:44:24 UTC

Size: 1.68 KB

patch

obsolete

>From 0326d81c03a8211221b6b392e7e6d567ce7d7605 Mon Sep 17 00:00:00 2001
>From: Imre Deak <imre.deak@intel.com>
>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 <imre.deak@intel.com>
>---
> 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
>

Actions: View | Splinter Review

Attachments on bug 112051: 145771 | 145772 | 145783 | 145786 | 145790 | 145804 | 145805 | 145836 | 145843 | 145844 | 145845 | 145846 | 145847

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.