diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c new file mode 100644 index 000000000000..4ba43d6a1ec8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm107.c @@ -0,0 +1,57 @@ +/* + * Copyright 2013 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 "nv50.h" + +u64 +gm107_devinit_disable(struct nouveau_devinit *devinit) +{ + struct nv50_devinit_priv *priv = (void *)devinit; + u32 r021c00 = nv_rd32(priv, 0x021c00); + u32 r021c04 = nv_rd32(priv, 0x021c04); + u64 disable = 0ULL; + + if (r021c00 & 0x00000001) + disable |= (1ULL << NVDEV_ENGINE_COPY0); + if (r021c00 & 0x00000004) + disable |= (1ULL << NVDEV_ENGINE_COPY2); + if (r021c04 & 0x00000001) + disable |= (1ULL << NVDEV_ENGINE_DISP); + + return disable; +} + +struct nouveau_oclass * +gm107_devinit_oclass = &(struct nouveau_devinit_impl) { + .base.handle = NV_SUBDEV(DEVINIT, 0x07), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_devinit_ctor, + .dtor = _nouveau_devinit_dtor, + .init = nv50_devinit_init, + .fini = _nouveau_devinit_fini, + }, + .pll_set = nvc0_devinit_pll_set, + .disable = gm107_devinit_disable, + .post = nvbios_init, +}.base; |