drm/i915/icl: Add Icelake PCH detection

This patch adds the support to detect PCH_ICP.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Suggested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-10-paulo.r.zanoni@intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index fe92665..915758a 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -233,6 +233,8 @@ intel_virt_detect_pch(const struct drm_i915_private *dev_priv)
                id = INTEL_PCH_SPT_DEVICE_ID_TYPE;
        else if (IS_COFFEELAKE(dev_priv) || IS_CANNONLAKE(dev_priv))
                id = INTEL_PCH_CNP_DEVICE_ID_TYPE;
+       else if (IS_ICELAKE(dev_priv))
+               id = INTEL_PCH_ICP_DEVICE_ID_TYPE;
 
        if (id)
                DRM_DEBUG_KMS("Assuming PCH ID %04x\n", id);