Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / subdev / fb / gk20a.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c
new file mode 100644 (file)
index 0000000..a5d7857
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include "gf100.h"
+
+struct gk20a_fb_priv {
+       struct nvkm_fb base;
+};
+
+static int
+gk20a_fb_init(struct nvkm_object *object)
+{
+       struct gk20a_fb_priv *priv = (void *)object;
+       int ret;
+
+       ret = nvkm_fb_init(&priv->base);
+       if (ret)
+               return ret;
+
+       nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
+       return 0;
+}
+
+static int
+gk20a_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+             struct nvkm_oclass *oclass, void *data, u32 size,
+             struct nvkm_object **pobject)
+{
+       struct gk20a_fb_priv *priv;
+       int ret;
+
+       ret = nvkm_fb_create(parent, engine, oclass, &priv);
+       *pobject = nv_object(priv);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+struct nvkm_oclass *
+gk20a_fb_oclass = &(struct nvkm_fb_impl) {
+       .base.handle = NV_SUBDEV(FB, 0xea),
+       .base.ofuncs = &(struct nvkm_ofuncs) {
+               .ctor = gk20a_fb_ctor,
+               .dtor = _nvkm_fb_dtor,
+               .init = gk20a_fb_init,
+               .fini = _nvkm_fb_fini,
+       },
+       .memtype = gf100_fb_memtype_valid,
+}.base;