drm/i915/skl: Add SKL GT4 PCI IDs

BugLink: http://bugs.launchpad.net/bugs/1527462

Add Skylake Intel Graphics GT4 PCI IDs

v2: Rebase
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446811876-303-1-git-send-email-mika.kuoppala@intel.com
(back ported from commit 15620206)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

Conflicts:
	drivers/gpu/drm/i915/i915_drv.c

drivers/gpu/drm/i915/i915_drv.c

@@ -434,6 +434,7 @@ static const struct intel_device_info intel_broxton_info = {
 	INTEL_SKL_GT1_IDS(&intel_skylake_info),	\
 	INTEL_SKL_GT2_IDS(&intel_skylake_info),	\
 	INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),	\
+	INTEL_SKL_GT4_IDS(&intel_skylake_gt3_info),	\
 	INTEL_BXT_IDS(&intel_broxton_info)
 
 static const struct pci_device_id pciidlist[] = {		/* aka */

include/drm/i915_pciids.h

@@ -279,12 +279,19 @@
 #define INTEL_SKL_GT3_IDS(info) \
 	INTEL_VGA_DEVICE(0x1926, info), /* ULT GT3 */ \
 	INTEL_VGA_DEVICE(0x192B, info), /* Halo GT3 */ \
-	INTEL_VGA_DEVICE(0x192A, info) /* SRV GT3 */ \
+	INTEL_VGA_DEVICE(0x192A, info)  /* SRV GT3 */
 
-#define INTEL_SKL_IDS(info) \
+#define INTEL_SKL_GT4_IDS(info) \
+	INTEL_VGA_DEVICE(0x1932, info), /* DT GT4 */ \
+	INTEL_VGA_DEVICE(0x193B, info), /* Halo GT4 */ \
+	INTEL_VGA_DEVICE(0x193D, info), /* WKS GT4 */ \
+	INTEL_VGA_DEVICE(0x193A, info)  /* SRV GT4 */
+
+#define INTEL_SKL_IDS(info)	 \
 	INTEL_SKL_GT1_IDS(info), \
 	INTEL_SKL_GT2_IDS(info), \
-	INTEL_SKL_GT3_IDS(info)
+	INTEL_SKL_GT3_IDS(info), \
+	INTEL_SKL_GT4_IDS(info)
 
 #define INTEL_BXT_IDS(info) \
 	INTEL_VGA_DEVICE(0x0A84, info), \