Merge tag 'drm/panel/for-4.6-rc1' of http://anongit.freedesktop.org/git/tegra/linux...

[cascardo/linux.git] / drivers / gpu / drm / nouveau / nvkm / core / gpuobj.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c b/drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c
index c3a790e..a7bd227 100644 (file)
--- 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);
+}