[Nouveau] [PATCH] drm/nouveau: force alignment to 0x1000 for gpu objects

Maarten Lankhorst maarten.lankhorst at canonical.com
Mon Sep 2 07:31:37 PDT 2013


There are a lot of places that allocate multiples of 1000,
but do not set alignment correctly and still require this
alignment implicitly or explicitly.
---
 drivers/gpu/drm/nouveau/core/core/gpuobj.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/core/core/gpuobj.c b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
index 7595506..7bcae1d 100644
--- a/drivers/gpu/drm/nouveau/core/core/gpuobj.c
+++ b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
@@ -65,6 +65,14 @@ nouveau_gpuobj_create_(struct nouveau_object *parent,
 	int ret, i;
 	u64 addr;
 
+	/*
+	 * There are a lot of places that allocate multiples of 1000,
+	 * but do not set alignment correctly and still require this
+	 * alignment implicitly or explicitly.
+	 */
+	if (size >= 0x1000 && align < 0x1000)
+		align = 0x1000;
+
 	*pobject = NULL;
 
 	if (pargpu) {
-- 
1.8.3.4



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