[Intel-gfx] [PATCH v3 7/8] drm/i915: move engine scratch to LMEM

[Matthew Auld]

Prefer allocating the engine scratch from LMEM on dgfx.

v2: flatten the chain

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index 9ac67e0534b7..35ff68ada4f1 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"
@@ -378,11 +380,13 @@ 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);
+	obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_VOLATILE);
+	if (IS_ERR(obj))
+		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");
+		drm_err(&i915->drm, "Failed to allocate scratch page\n");
 		return PTR_ERR(obj);
 	}
 
-- 
2.26.2