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authorBen Skeggs <bskeggs@redhat.com>2015-01-13 22:13:14 +1000
committerBen Skeggs <bskeggs@redhat.com>2015-01-22 12:15:10 +1000
commitc39f472e9f14e49a9bc091977ced0ec45fc00c57 (patch)
tree75af3291cccda2482913cc0044888a8a86f4841b /drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c
parentdrm/nouveau: merge nouveau_platform.ko into nouveau.ko (diff)
downloadlinux-dev-c39f472e9f14e49a9bc091977ced0ec45fc00c57.tar.xz
linux-dev-c39f472e9f14e49a9bc091977ced0ec45fc00c57.zip
drm/nouveau: remove symlinks, move core/ to nvkm/ (no code changes)
The symlinks were annoying some people, and they're not used anywhere else in the kernel tree. The include directory structure has been changed so that symlinks aren't needed anymore. NVKM has been moved from core/ to nvkm/ to make it more obvious as to what the directory is for, and as some minor prep for when NVKM gets split out into its own module (virt) at a later date. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c
new file mode 100644
index 000000000000..8309fe33fe84
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c
@@ -0,0 +1,89 @@
+/*
+ * 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 "nv04.h"
+
+#define NV04_PFB_CFG0 0x00100200
+
+bool
+nv04_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags)
+{
+ if (!(tile_flags & 0xff00))
+ return true;
+
+ return false;
+}
+
+static int
+nv04_fb_init(struct nouveau_object *object)
+{
+ struct nv04_fb_priv *priv = (void *)object;
+ int ret;
+
+ ret = nouveau_fb_init(&priv->base);
+ if (ret)
+ return ret;
+
+ /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
+ * nvidia reading PFB_CFG_0, then writing back its original value.
+ * (which was 0x701114 in this case)
+ */
+ nv_wr32(priv, NV04_PFB_CFG0, 0x1114);
+ return 0;
+}
+
+int
+nv04_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv04_fb_impl *impl = (void *)oclass;
+ struct nv04_fb_priv *priv;
+ int ret;
+
+ ret = nouveau_fb_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ priv->base.tile.regions = impl->tile.regions;
+ priv->base.tile.init = impl->tile.init;
+ priv->base.tile.comp = impl->tile.comp;
+ priv->base.tile.fini = impl->tile.fini;
+ priv->base.tile.prog = impl->tile.prog;
+ return 0;
+}
+
+struct nouveau_oclass *
+nv04_fb_oclass = &(struct nv04_fb_impl) {
+ .base.base.handle = NV_SUBDEV(FB, 0x04),
+ .base.base.ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv04_fb_ctor,
+ .dtor = _nouveau_fb_dtor,
+ .init = nv04_fb_init,
+ .fini = _nouveau_fb_fini,
+ },
+ .base.memtype = nv04_fb_memtype_valid,
+ .base.ram = &nv04_ram_oclass,
+}.base.base;