diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c new file mode 100644 index 0000000000..0d78de422d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2010 Francisco Jerez. + * 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 (including the + * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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 "priv.h" +#include "ram.h" + +void +nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch, + u32 flags, struct nvkm_fb_tile *tile) +{ + /* for performance, select alternate bank offset for zeta */ + if (!(flags & 4)) tile->addr = (0 << 3); + else tile->addr = (1 << 3); + + tile->addr |= 0x00000001; /* mode = vram */ + tile->addr |= addr; + tile->limit = max(1u, addr + size) - 1; + tile->pitch = pitch; +} + +static const struct nvkm_fb_func +nv46_fb = { + .init = nv44_fb_init, + .tile.regions = 15, + .tile.init = nv46_fb_tile_init, + .tile.fini = nv20_fb_tile_fini, + .tile.prog = nv44_fb_tile_prog, + .ram_new = nv44_ram_new, +}; + +int +nv46_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) +{ + return nvkm_fb_new_(&nv46_fb, device, type, inst, pfb); +} |