[Intel-gfx] [PATCH 08/67] drm/i915/cnl: Cannonlake uses CNP PCH.
Rodrigo Vivi
rodrigo.vivi at intel.com
Thu Apr 6 19:15:04 UTC 2017
Avoid warning when CNP is detected with CNL.
Also let's force it on the virtual detection.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 836db0d..ff4f2f9 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -139,6 +139,8 @@ static enum intel_pch intel_virt_detect_pch(struct drm_i915_private *dev_priv)
} else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
ret = PCH_SPT;
DRM_DEBUG_KMS("Assuming SunrisePoint PCH\n");
+ } else if (IS_CANNONLAKE(dev_priv)) {
+ ret = PCH_CNP;
}
return ret;
@@ -221,9 +223,11 @@ 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");
+ WARN_ON(!IS_CANNONLAKE(dev_priv));
} 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");
+ WARN_ON(!IS_CANNONLAKE(dev_priv));
} else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) ||
(id == INTEL_PCH_P3X_DEVICE_ID_TYPE) ||
((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) &&
--
1.9.1
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