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author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c')
-rw-r--r-- | kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c new file mode 100644 index 000000000..855de1617 --- /dev/null +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c @@ -0,0 +1,79 @@ +/* + * 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 "priv.h" +#include "regsnv04.h" + +static int +nv04_ram_create(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nvkm_fb *pfb = nvkm_fb(parent); + struct nvkm_ram *ram; + u32 boot0 = nv_rd32(pfb, NV04_PFB_BOOT_0); + int ret; + + ret = nvkm_ram_create(parent, engine, oclass, &ram); + *pobject = nv_object(ram); + if (ret) + return ret; + + if (boot0 & 0x00000100) { + ram->size = ((boot0 >> 12) & 0xf) * 2 + 2; + ram->size *= 1024 * 1024; + } else { + switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) { + case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB: + ram->size = 32 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB: + ram->size = 16 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB: + ram->size = 8 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB: + ram->size = 4 * 1024 * 1024; + break; + } + } + + if ((boot0 & 0x00000038) <= 0x10) + ram->type = NV_MEM_TYPE_SGRAM; + else + ram->type = NV_MEM_TYPE_SDRAM; + + return 0; +} + +struct nvkm_oclass +nv04_ram_oclass = { + .handle = 0, + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv04_ram_create, + .dtor = _nvkm_ram_dtor, + .init = _nvkm_ram_init, + .fini = _nvkm_ram_fini, + } +}; |