drm/i915/mtl: Drop FLAT CCS check

Remove FLAT CCS check from XY_FAST_COLOR_BLT usage, thus
enabling MTL to use it.

Signed-off-by: Pallavi Mishra <pallavi.mishra@intel.com>
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230505144005.23480-1-nirmoy.das@intel.com

drivers/gpu/drm/i915/gt/intel_migrate.c

@@ -920,7 +920,7 @@ static int emit_clear(struct i915_request *rq, u32 offset, int size,
 
 	GEM_BUG_ON(size >> PAGE_SHIFT > S16_MAX);
 
-	if (HAS_FLAT_CCS(i915) && ver >= 12)
+	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50))
 		ring_sz = XY_FAST_COLOR_BLT_DW;
 	else if (ver >= 8)
 		ring_sz = 8;
@@ -931,7 +931,7 @@ static int emit_clear(struct i915_request *rq, u32 offset, int size,
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
 
-	if (HAS_FLAT_CCS(i915) && ver >= 12) {
+	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) {
 		*cs++ = XY_FAST_COLOR_BLT_CMD | XY_FAST_COLOR_BLT_DEPTH_32 |
 			(XY_FAST_COLOR_BLT_DW - 2);
 		*cs++ = FIELD_PREP(XY_FAST_COLOR_BLT_MOCS_MASK, mocs) |