From acf1dba661e908e923320b4226bad4d8fc23c6f5 Mon Sep 17 00:00:00 2001 From: Rodrigo Vivi Date: Tue, 6 Jun 2017 13:30:31 -0700 Subject: [PATCH] drm/i915/cnl: Cannonlake uses CNP PCH. Git-commit: acf1dba661e908e923320b4226bad4d8fc23c6f5 Patch-mainline: v4.13-rc1 References: FATE#322643 bsc#1055900 Avoid warning when CNP is detected with CNL. Also let's force it on the virtual detection. Signed-off-by: Rodrigo Vivi Reviewed-by: Anusha Srivatsa Link: http://patchwork.freedesktop.org/patch/msgid/1496781040-20888-2-git-send-email-rodrigo.vivi@intel.com Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/i915_drv.c | 4 ++++ 1 file changed, 4 insertions(+) --- 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_ } 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; @@ -222,9 +224,11 @@ static void intel_detect_pch(struct drm_ } 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) &&