cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c

/*
 * 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 "dmacnv50.h"
#include "rootnv50.h"

#include <core/client.h>

#include <nvif/class.h>
#include <nvif/cl507e.h>
#include <nvif/unpack.h>


int nv50_disp_ovly_new(const struct nv50_disp_dmac_func *func, const struct nv50_disp_chan_mthd *mthd, struct nv50_disp_root *root, int chid, const struct nvkm_oclass *oclass, void *data, u32 size, struct nvkm_object **pobject) { union { struct nv50_disp_overlay_channel_dma_v0 v0; } *args = data; struct nvkm_object *parent = oclass->parent; struct nv50_disp *disp = root->disp; int head, ret = -ENOSYS; u64 push; nvif_ioctl(parent, "create disp overlay channel dma size %d\n", size); if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { nvif_ioctl(parent, "create disp overlay channel dma vers %d " "pushbuf %016llx head %d\n", args->v0.version, args->v0.pushbuf, args->v0.head); if (args->v0.head > disp->base.head.nr) return -EINVAL; push = args->v0.pushbuf; head = args->v0.head; } else return ret; return nv50_disp_dmac_new_(func, mthd, root, chid + head, head, push, oclass, pobject); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs212100.00%3100.00%
Total212100.00%3100.00%

static const struct nv50_disp_mthd_list nv50_disp_ovly_mthd_base = { .mthd = 0x0000, .addr = 0x000000, .data = { { 0x0080, 0x000000 }, { 0x0084, 0x0009a0 }, { 0x0088, 0x0009c0 }, { 0x008c, 0x0009c8 }, { 0x0090, 0x6109b4 }, { 0x0094, 0x610970 }, { 0x00a0, 0x610998 }, { 0x00a4, 0x610964 }, { 0x00c0, 0x610958 }, { 0x00e0, 0x6109a8 }, { 0x00e4, 0x6109d0 }, { 0x00e8, 0x6109d8 }, { 0x0100, 0x61094c }, { 0x0104, 0x610984 }, { 0x0108, 0x61098c }, { 0x0800, 0x6109f8 }, { 0x0808, 0x610a08 }, { 0x080c, 0x610a10 }, { 0x0810, 0x610a00 }, {} } }; static const struct nv50_disp_chan_mthd nv50_disp_ovly_chan_mthd = { .name = "Overlay", .addr = 0x000540, .prev = 0x000004, .data = { { "Global", 1, &nv50_disp_ovly_mthd_base }, {} } }; const struct nv50_disp_dmac_oclass nv50_disp_ovly_oclass = { .base.oclass = NV50_DISP_OVERLAY_CHANNEL_DMA, .base.minver = 0, .base.maxver = 0, .ctor = nv50_disp_ovly_new, .func = &nv50_disp_dmac_func, .mthd = &nv50_disp_ovly_chan_mthd, .chid = 3, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs459100.00%5100.00%
Total459100.00%5100.00%
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