[Intel-gfx] [RFC 45/60] drm/i915: move engine scratch to LMEM

[Matthew Auld]

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index e0755f1a904b..a841bcf4953c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -4,6 +4,8 @@
  */
 
 #include "debugfs_gt.h"
+
+#include "gem/i915_gem_lmem.h"
 #include "i915_drv.h"
 #include "intel_context.h"
 #include "intel_gt.h"
@@ -342,9 +344,15 @@ static int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size)
 	struct i915_vma *vma;
 	int ret;
 
-	obj = i915_gem_object_create_stolen(i915, size);
-	if (IS_ERR(obj))
-		obj = i915_gem_object_create_internal(i915, size);
+	if (HAS_LMEM(i915)) {
+		obj = i915_gem_object_create_lmem(i915, size,
+						  I915_BO_ALLOC_CONTIGUOUS |
+						  I915_BO_ALLOC_VOLATILE);
+	} else {
+		obj = i915_gem_object_create_stolen(i915, size);
+		if (IS_ERR(obj))
+			obj = i915_gem_object_create_internal(i915, size);
+	}
 	if (IS_ERR(obj)) {
 		DRM_ERROR("Failed to allocate scratch page\n");
 		return PTR_ERR(obj);
-- 
2.26.2