drm/i915/kbl: Add Kabylake GT4 PCI ID

BugLink: http://bugs.launchpad.net/bugs/1540390

v2: (Rodrigo) Rebase after commit 3cb27f38
    ("drm/i915: remove an extra level of indirection in PCI ID list")

Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Deepak S <deepak.s@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446060072-19489-1-git-send-email-rodrigo.vivi@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8b10c0cf)
Signed-off-by: Timo Aaltonen <timo.aaltonen@canonical.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>

drivers/gpu/drm/i915/i915_drv.c

@@ -439,6 +439,7 @@ static const struct pci_device_id pciidlist[] = {
 	INTEL_KBL_GT1_IDS(&intel_kabylake_info),
 	INTEL_KBL_GT2_IDS(&intel_kabylake_info),
 	INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
+	INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
 	{0, 0, 0}
 };
 

include/drm/i915_pciids.h

@@ -322,9 +322,16 @@
 	INTEL_VGA_DEVICE(0x592B, info), /* Halo GT3 */ \
 	INTEL_VGA_DEVICE(0x592A, info) /* SRV GT3 */
 
+#define INTEL_KBL_GT4_IDS(info) \
+	INTEL_VGA_DEVICE(0x5932, info), /* DT  GT4 */ \
+	INTEL_VGA_DEVICE(0x593B, info), /* Halo GT4 */ \
+	INTEL_VGA_DEVICE(0x593A, info), /* SRV GT4 */ \
+	INTEL_VGA_DEVICE(0x593D, info)  /* WKS GT4 */
+
 #define INTEL_KBL_IDS(info) \
 	INTEL_KBL_GT1_IDS(info), \
 	INTEL_KBL_GT2_IDS(info), \
-	INTEL_KBL_GT3_IDS(info)
+	INTEL_KBL_GT3_IDS(info), \
+	INTEL_KBL_GT4_IDS(info)
 
 #endif /* _I915_PCIIDS_H */