drm/i915/xehp/guc: enable compute engine inside GuC

Tell GuC that CCS is enabled by setting the CCS mask in its ADS.

Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Original-author: Michel Thierry
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220301231549.1817978-10-matthew.d.roper@intel.com

drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c

@@ -434,6 +434,7 @@ static void fill_engine_enable_masks(struct intel_gt *gt,
 				     struct iosys_map *info_map)
 {
 	info_map_write(info_map, engine_enabled_masks[GUC_RENDER_CLASS], 1);
+	info_map_write(info_map, engine_enabled_masks[GUC_COMPUTE_CLASS], CCS_MASK(gt));
 	info_map_write(info_map, engine_enabled_masks[GUC_BLITTER_CLASS], 1);
 	info_map_write(info_map, engine_enabled_masks[GUC_VIDEO_CLASS], VDBOX_MASK(gt));
 	info_map_write(info_map, engine_enabled_masks[GUC_VIDEOENHANCE_CLASS], VEBOX_MASK(gt));