diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 9e4c13ed795d..90b646c51759 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -170,6 +170,9 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv) while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) { if (pch->vendor == PCI_VENDOR_ID_INTEL) { unsigned short id = pch->device & INTEL_PCH_DEVICE_ID_MASK; + unsigned short id_ext = pch->device & + INTEL_PCH_DEVICE_ID_MASK_EXT; + dev_priv->pch_id = id; if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { @@ -206,7 +209,7 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Found SunrisePoint PCH\n"); WARN_ON(!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)); - } else if (id == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) { + } else if (id_ext == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) { dev_priv->pch_type = PCH_SPT; DRM_DEBUG_KMS("Found SunrisePoint LP PCH\n"); WARN_ON(!IS_SKYLAKE(dev_priv) && @@ -219,6 +222,9 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv) } else if (id == INTEL_PCH_CNP_DEVICE_ID_TYPE) { dev_priv->pch_type = PCH_CNP; DRM_DEBUG_KMS("Found CannonPoint PCH\n"); + } else if (id_ext == INTEL_PCH_CNP_LP_DEVICE_ID_TYPE) { + dev_priv->pch_type = PCH_CNP; + DRM_DEBUG_KMS("Found CannonPoint LP PCH\n"); } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) || (id == INTEL_PCH_P3X_DEVICE_ID_TYPE) || ((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) && |