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path: root/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c b/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c
index c3a790eb8d6a..a7bd22706b2a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c
@@ -253,3 +253,23 @@ nvkm_gpuobj_wrap(struct nvkm_memory *memory, struct nvkm_gpuobj **pgpuobj)
(*pgpuobj)->size = nvkm_memory_size(memory);
return 0;
}
+
+void
+nvkm_gpuobj_memcpy_to(struct nvkm_gpuobj *dst, u32 dstoffset, void *src,
+ u32 length)
+{
+ int i;
+
+ for (i = 0; i < length; i += 4)
+ nvkm_wo32(dst, dstoffset + i, *(u32 *)(src + i));
+}
+
+void
+nvkm_gpuobj_memcpy_from(void *dst, struct nvkm_gpuobj *src, u32 srcoffset,
+ u32 length)
+{
+ int i;
+
+ for (i = 0; i < length; i += 4)
+ ((u32 *)src)[i / 4] = nvkm_ro32(src, srcoffset + i);
+}