cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/ce/gt215.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 "priv.h"
#include "fuc/gt215.fuc3.h"

#include <core/client.h>
#include <core/enum.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>

#include <nvif/class.h>

static const struct nvkm_enum

gt215_ce_isr_error_name[] = {
	{ 0x0001, "ILLEGAL_MTHD" },
	{ 0x0002, "INVALID_ENUM" },
	{ 0x0003, "INVALID_BITFIELD" },
	{}
};


void gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_fifo_chan *chan) { struct nvkm_subdev *subdev = &ce->engine.subdev; struct nvkm_device *device = subdev->device; const u32 base = (subdev->index - NVKM_ENGINE_CE0) * 0x1000; u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff; u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16; u32 mthd = (addr & 0x07ff) << 2; u32 subc = (addr & 0x3800) >> 11; u32 data = nvkm_rd32(device, 0x104044 + base); const struct nvkm_enum *en = nvkm_enum_find(gt215_ce_isr_error_name, ssta); nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010llx %s] " "subc %d mthd %04x data %08x\n", ssta, en ? en->name : "", chan ? chan->chid : -1, chan ? chan->inst->addr : 0, chan ? chan->object.client->name : "unknown", subc, mthd, data); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs17999.44%1090.91%
Marcin Ślusarz10.56%19.09%
Total180100.00%11100.00%

static const struct nvkm_falcon_func gt215_ce = { .code.data = gt215_ce_code, .code.size = sizeof(gt215_ce_code), .data.data = gt215_ce_data, .data.size = sizeof(gt215_ce_data), .intr = gt215_ce_intr, .sclass = { { -1, -1, GT212_DMA }, {} } };
int gt215_ce_new(struct nvkm_device *device, int index, struct nvkm_engine **pengine) { return nvkm_falcon_new_(&gt215_ce, device, index, (device->chipset != 0xaf), 0x104000, pengine); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs42100.00%4100.00%
Total42100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs33599.41%1487.50%
Marcin Ślusarz20.59%212.50%
Total337100.00%16100.00%
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