[PATCH i-g-t 7/8] lib: Enable Vebox framebuffer copying on Intel Xe2

[Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>]

Choose correct gt for Vebox and use gen12 veboxcopy
functionality on Xe2

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
---
 lib/igt_fb.c            | 20 +++++++++++++++++++-
 lib/intel_batchbuffer.c |  2 +-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index d59fe133b..cfd5d66fb 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -2560,6 +2560,7 @@ struct fb_blit_upload {
 	struct fb_blit_linear linear;
 	struct buf_ops *bops;
 	struct intel_bb *ibb;
+	uint32_t vm;
 };
 
 static enum blt_tiling_type fb_tile_to_blt_tile(uint64_t tile)
@@ -3345,6 +3346,9 @@ static void free_linear_mapping(struct fb_blit_upload *blit)
 	if (blit->ibb) {
 		intel_bb_destroy(blit->ibb);
 		buf_ops_destroy(blit->bops);
+
+		if (is_xe_device(fd) && blit->vm)
+			xe_vm_destroy(fd, blit->vm);
 	}
 }
 
@@ -3364,10 +3368,24 @@ static void setup_linear_mapping(struct fb_blit_upload *blit)
 	int fd = blit->fd;
 	struct igt_fb *fb = blit->fb;
 	struct fb_blit_linear *linear = &blit->linear;
+	struct drm_xe_engine *engine;
+	uint16_t class;
 
 	if (!igt_vc4_is_tiled(fb->modifier) && use_enginecopy(fb)) {
 		blit->bops = buf_ops_create(fd);
-		blit->ibb = intel_bb_create(fd, 4096);
+
+		if (is_xe_device(fd)) {
+			class = use_vebox_copy(fb, fb) ? DRM_XE_ENGINE_CLASS_VIDEO_ENHANCE :
+							 DRM_XE_ENGINE_CLASS_RENDER;
+
+			engine = xe_find_engine_by_class(fd, class);
+			blit->vm = xe_vm_create(fd, 0, 0);
+			blit->ibb = intel_bb_create_with_gt(fd, 4096,
+							    blit->vm,
+							    engine->instance.gt_id);
+		} else {
+			blit->ibb = intel_bb_create(fd, 4096);
+		}
 	}
 
 	/*
diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c
index f3b8aeaba..ef89b93df 100644
--- a/lib/intel_batchbuffer.c
+++ b/lib/intel_batchbuffer.c
@@ -697,7 +697,7 @@ igt_vebox_copyfunc_t igt_get_vebox_copyfunc(int devid)
 {
 	igt_vebox_copyfunc_t copy = NULL;
 
-	if (IS_GEN12(devid))
+	if (intel_gen(devid) >= 12)
 		copy = gen12_vebox_copyfunc;
 
 	return copy;
-- 
2.43.0