drm/i915/tgl: Add second TGL PCH ID

Another TGP ID has shown up, so let's add it to avoid South Display
breakage on systems that have this ID.

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191106005526.1500-1-james.ausmus@intel.com

diff --git a/drivers/gpu/drm/i915/intel_pch.c b/drivers/gpu/drm/i915/intel_pch.c
index 000ba43..fd22355 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pch.c
+++ b/drivers/gpu/drm/i915/intel_pch.c
@@ -85,6 +85,7 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id)
                WARN_ON(!IS_ELKHARTLAKE(dev_priv));
                return PCH_MCC;
        case INTEL_PCH_TGP_DEVICE_ID_TYPE:
+       case INTEL_PCH_TGP2_DEVICE_ID_TYPE:
                DRM_DEBUG_KMS("Found Tiger Lake LP PCH\n");
                WARN_ON(!IS_TIGERLAKE(dev_priv));
                return PCH_TGP;

diff --git a/drivers/gpu/drm/i915/intel_pch.h b/drivers/gpu/drm/i915/intel_pch.h
index 1115c6a..52d145d 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pch.h
+++ b/drivers/gpu/drm/i915/intel_pch.h
@@ -47,6 +47,7 @@ enum intel_pch {
 #define INTEL_PCH_ICP_DEVICE_ID_TYPE           0x3480
 #define INTEL_PCH_MCC_DEVICE_ID_TYPE           0x4B00
 #define INTEL_PCH_TGP_DEVICE_ID_TYPE           0xA080
+#define INTEL_PCH_TGP2_DEVICE_ID_TYPE          0x4380
 #define INTEL_PCH_JSP_DEVICE_ID_TYPE           0x4D80
 #define INTEL_PCH_JSP2_DEVICE_ID_TYPE          0x3880
 #define INTEL_PCH_P2X_DEVICE_ID_TYPE           0x7100