From 4b97039e90bf895a7a1db47411079f0cffe395f6 Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Tue, 9 Feb 2021 14:13:05 -0500
Subject: [PATCH] drm/i915/gen9_bc: Recognize TGP PCH + CML combos
Git-commit: 4b97039e90bf895a7a1db47411079f0cffe395f6
Patch-mainline: v5.13-rc1
References: bsc#1188700
Since Intel has introduced the gen9_bc platform, a combination of
Tigerpoint PCHs and CML CPUs, let's recognize such platforms as valid and
avoid WARNing on them.
Changes since v4:
* Split this into it's own patch - vsyrjala
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
[originally from Tejas's work]
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209212832.1401815-2-lyude@redhat.com
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/intel_pch.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c
index 4813207fc053..7476f0e063c6 100644
--- a/drivers/gpu/drm/i915/intel_pch.c
+++ b/drivers/gpu/drm/i915/intel_pch.c
@@ -121,7 +121,8 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
case INTEL_PCH_TGP2_DEVICE_ID_TYPE:
drm_dbg_kms(&dev_priv->drm, "Found Tiger Lake LP PCH\n");
drm_WARN_ON(&dev_priv->drm, !IS_TIGERLAKE(dev_priv) &&
- !IS_ROCKETLAKE(dev_priv));
+ !IS_ROCKETLAKE(dev_priv) &&
+ !IS_GEN9_BC(dev_priv));
return PCH_TGP;
case INTEL_PCH_JSP_DEVICE_ID_TYPE:
case INTEL_PCH_JSP2_DEVICE_ID_TYPE:
--
2.26.2