>-----Original Message-----
>From: Intel-gfx [mailto:[email protected]] On Behalf Of
>Rodrigo Vivi
>Sent: Thursday, April 6, 2017 12:15 PM
>To: [email protected]
>Cc: Vivi, Rodrigo <[email protected]>
>Subject: [Intel-gfx] [PATCH 08/67] drm/i915/cnl: Cannonlake uses CNP PCH.
>
>Avoid warning when CNP is detected with CNL.
>
>Also let's force it on the virtual detection.

Reviewed-by: Anusha Srivatsa <[email protected]>
>Signed-off-by: Rodrigo Vivi <[email protected]>
>---
> 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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