[PATCH 01/73] huge

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 12 13:57:04 UTC 2021


---
 drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
index 2fb501a78a85..9f6700b17431 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
@@ -27,7 +27,7 @@ static void huge_free_pages(struct drm_i915_gem_object *obj,
 
 static int huge_get_pages(struct drm_i915_gem_object *obj)
 {
-#define GFP (GFP_KERNEL | __GFP_NOWARN | __GFP_RETRY_MAYFAIL)
+#define GFP (GFP_KERNEL)
 	const unsigned long nreal = obj->scratch / PAGE_SIZE;
 	const unsigned long npages = obj->base.size / PAGE_SIZE;
 	struct scatterlist *sg, *src, *end;
@@ -35,10 +35,13 @@ static int huge_get_pages(struct drm_i915_gem_object *obj)
 	unsigned long n;
 
 	pages = kmalloc(sizeof(*pages), GFP);
-	if (!pages)
+	if (!pages) {
+		pr_err("kmalloc fail\n");
 		return -ENOMEM;
+	}
 
 	if (sg_alloc_table(pages, npages, GFP)) {
+		pr_err("sg_alloc_table fail\n");
 		kfree(pages);
 		return -ENOMEM;
 	}
@@ -49,6 +52,7 @@ static int huge_get_pages(struct drm_i915_gem_object *obj)
 
 		page = alloc_page(GFP | __GFP_HIGHMEM);
 		if (!page) {
+			pr_err("alloc_page fail\n");
 			sg_mark_end(sg);
 			goto err;
 		}
@@ -65,8 +69,10 @@ static int huge_get_pages(struct drm_i915_gem_object *obj)
 		}
 	}
 
-	if (i915_gem_gtt_prepare_pages(obj, pages))
+	if (i915_gem_gtt_prepare_pages(obj, pages)) {
+		pr_err("gtt prepare fail\n");
 		goto err;
+	}
 
 	__i915_gem_object_set_pages(obj, pages, PAGE_SIZE);
 
-- 
2.20.1



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