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author | Ben Skeggs <bskeggs@redhat.com> | 2016-07-09 10:41:01 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2016-07-14 11:53:25 +1000 |
commit | 7ff51f8200f40911902ede518298e90528b57260 (patch) | |
tree | cd26bee182106d583f12e7e55bc35d050fab61fc /drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c | |
parent | 0cbe26f0a5ab22ad3ccf11458689ab8da1de0ab8 (diff) | |
download | linux-7ff51f8200f40911902ede518298e90528b57260.tar.bz2 |
drm/nouveau/fb/gp100: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c new file mode 100644 index 000000000000..1620067168e6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c @@ -0,0 +1,69 @@ +/* + * Copyright 2016 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 <bskeggs@redhat.com> + */ +#include "gf100.h" +#include "ram.h" + +#include <core/memory.h> + +static void +gp100_fb_init_unkn(struct nvkm_fb *base) +{ + struct nvkm_device *device = gf100_fb(base)->base.subdev.device; + nvkm_wr32(device, 0x1fac80, nvkm_rd32(device, 0x100c80)); + nvkm_wr32(device, 0x1facc4, nvkm_rd32(device, 0x100cc4)); + nvkm_wr32(device, 0x1facc8, nvkm_rd32(device, 0x100cc8)); + nvkm_wr32(device, 0x1faccc, nvkm_rd32(device, 0x100ccc)); +} + +static void +gp100_fb_init(struct nvkm_fb *base) +{ + struct gf100_fb *fb = gf100_fb(base); + struct nvkm_device *device = fb->base.subdev.device; + + if (fb->r100c10_page) + nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8); + + nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8); + nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8); + nvkm_mask(device, 0x100cc4, 0x00060000, + max(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17); +} + +static const struct nvkm_fb_func +gp100_fb = { + .dtor = gf100_fb_dtor, + .oneinit = gf100_fb_oneinit, + .init = gp100_fb_init, + .init_page = gm200_fb_init_page, + .init_unkn = gp100_fb_init_unkn, + .ram_new = gp100_ram_new, + .memtype_valid = gf100_fb_memtype_valid, +}; + +int +gp100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb) +{ + return gf100_fb_new_(&gp100_fb, device, index, pfb); +} |