>-----Original Message-----
>From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of
>Rodrigo Vivi
>Sent: Tuesday, May 30, 2017 3:43 PM
>To: intel-gfx@lists.freedesktop.org
>Cc: Vivi, Rodrigo <rodrigo.v...@intel.com>
>Subject: [Intel-gfx] [PATCH 08/13] drm/i915/cfl: Coffee Lake uses CNP PCH.
>
>So let's force it on the virtual detection.
>
>Also it is still the only silicon for now on this PCH, so WARN otherwise.
>
>Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.sriva...@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 90b646c..2f618f7 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_COFFEELAKE(dev_priv)) {
>+ ret = PCH_CNP;
> }
>
> return ret;
>@@ -222,9 +224,11 @@ 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_COFFEELAKE(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_COFFEELAKE(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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