These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / disp / cursnv50.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
new file mode 100644 (file)
index 0000000..225858e
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "channv50.h"
+#include "rootnv50.h"
+
+#include <core/client.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+int
+nv50_disp_curs_new(const struct nv50_disp_chan_func *func,
+                  const struct nv50_disp_chan_mthd *mthd,
+                  struct nv50_disp_root *root, int chid,
+                  const struct nvkm_oclass *oclass, void *data, u32 size,
+                  struct nvkm_object **pobject)
+{
+       union {
+               struct nv50_disp_cursor_v0 v0;
+       } *args = data;
+       struct nvkm_object *parent = oclass->parent;
+       struct nv50_disp *disp = root->disp;
+       int head, ret;
+
+       nvif_ioctl(parent, "create disp cursor size %d\n", size);
+       if (nvif_unpack(args->v0, 0, 0, false)) {
+               nvif_ioctl(parent, "create disp cursor vers %d head %d\n",
+                          args->v0.version, args->v0.head);
+               if (args->v0.head > disp->base.head.nr)
+                       return -EINVAL;
+               head = args->v0.head;
+       } else
+               return ret;
+
+       return nv50_disp_chan_new_(func, mthd, root, chid + head,
+                                  head, oclass, pobject);
+}
+
+const struct nv50_disp_pioc_oclass
+nv50_disp_curs_oclass = {
+       .base.oclass = NV50_DISP_CURSOR,
+       .base.minver = 0,
+       .base.maxver = 0,
+       .ctor = nv50_disp_curs_new,
+       .func = &nv50_disp_pioc_func,
+       .chid = 7,
+};