cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/core/subdev.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 <core/subdev.h>
#include <core/device.h>
#include <core/option.h>
#include <subdev/mc.h>


static struct lock_class_key nvkm_subdev_lock_class[NVKM_SUBDEV_NR];

const char *

nvkm_subdev_name[NVKM_SUBDEV_NR] = {
	[NVKM_SUBDEV_BAR     ] = "bar",
	[NVKM_SUBDEV_VBIOS   ] = "bios",
	[NVKM_SUBDEV_BUS     ] = "bus",
	[NVKM_SUBDEV_CLK     ] = "clk",
	[NVKM_SUBDEV_DEVINIT ] = "devinit",
	[NVKM_SUBDEV_FB      ] = "fb",
	[NVKM_SUBDEV_FUSE    ] = "fuse",
	[NVKM_SUBDEV_GPIO    ] = "gpio",
	[NVKM_SUBDEV_I2C     ] = "i2c",
	[NVKM_SUBDEV_IBUS    ] = "priv",
	[NVKM_SUBDEV_ICCSENSE] = "iccsense",
	[NVKM_SUBDEV_INSTMEM ] = "imem",
	[NVKM_SUBDEV_LTC     ] = "ltc",
	[NVKM_SUBDEV_MC      ] = "mc",
	[NVKM_SUBDEV_MMU     ] = "mmu",
	[NVKM_SUBDEV_MXM     ] = "mxm",
	[NVKM_SUBDEV_PCI     ] = "pci",
	[NVKM_SUBDEV_PMU     ] = "pmu",
	[NVKM_SUBDEV_SECBOOT ] = "secboot",
	[NVKM_SUBDEV_THERM   ] = "therm",
	[NVKM_SUBDEV_TIMER   ] = "tmr",
	[NVKM_SUBDEV_TOP     ] = "top",
	[NVKM_SUBDEV_VOLT    ] = "volt",
	[NVKM_ENGINE_BSP     ] = "bsp",
	[NVKM_ENGINE_CE0     ] = "ce0",
	[NVKM_ENGINE_CE1     ] = "ce1",
	[NVKM_ENGINE_CE2     ] = "ce2",
	[NVKM_ENGINE_CE3     ] = "ce3",
	[NVKM_ENGINE_CE4     ] = "ce4",
	[NVKM_ENGINE_CE5     ] = "ce5",
	[NVKM_ENGINE_CIPHER  ] = "cipher",
	[NVKM_ENGINE_DISP    ] = "disp",
	[NVKM_ENGINE_DMAOBJ  ] = "dma",
	[NVKM_ENGINE_FIFO    ] = "fifo",
	[NVKM_ENGINE_GR      ] = "gr",
	[NVKM_ENGINE_IFB     ] = "ifb",
	[NVKM_ENGINE_ME      ] = "me",
	[NVKM_ENGINE_MPEG    ] = "mpeg",
	[NVKM_ENGINE_MSENC   ] = "msenc",
	[NVKM_ENGINE_MSPDEC  ] = "mspdec",
	[NVKM_ENGINE_MSPPP   ] = "msppp",
	[NVKM_ENGINE_MSVLD   ] = "msvld",
	[NVKM_ENGINE_NVENC0  ] = "nvenc0",
	[NVKM_ENGINE_NVENC1  ] = "nvenc1",
	[NVKM_ENGINE_NVENC2  ] = "nvenc2",
	[NVKM_ENGINE_NVDEC   ] = "nvdec",
	[NVKM_ENGINE_PM      ] = "pm",
	[NVKM_ENGINE_SEC     ] = "sec",
	[NVKM_ENGINE_SW      ] = "sw",
	[NVKM_ENGINE_VIC     ] = "vic",
	[NVKM_ENGINE_VP      ] = "vp",
};


void nvkm_subdev_intr(struct nvkm_subdev *subdev) { if (subdev->func->intr) subdev->func->intr(subdev); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs27100.00%1100.00%
Total27100.00%1100.00%


int nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) { struct nvkm_device *device = subdev->device; const char *action = suspend ? "suspend" : "fini"; s64 time; nvkm_trace(subdev, "%s running...\n", action); time = ktime_to_us(ktime_get()); if (subdev->func->fini) { int ret = subdev->func->fini(subdev, suspend); if (ret) { nvkm_error(subdev, "%s failed, %d\n", action, ret); if (suspend) return ret; } } nvkm_mc_reset(device, subdev->index); time = ktime_to_us(ktime_get()) - time; nvkm_trace(subdev, "%s completed in %lldus\n", action, time); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs134100.00%2100.00%
Total134100.00%2100.00%


int nvkm_subdev_preinit(struct nvkm_subdev *subdev) { s64 time; nvkm_trace(subdev, "preinit running...\n"); time = ktime_to_us(ktime_get()); if (subdev->func->preinit) { int ret = subdev->func->preinit(subdev); if (ret) { nvkm_error(subdev, "preinit failed, %d\n", ret); return ret; } } time = ktime_to_us(ktime_get()) - time; nvkm_trace(subdev, "preinit completed in %lldus\n", time); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs90100.00%1100.00%
Total90100.00%1100.00%


int nvkm_subdev_init(struct nvkm_subdev *subdev) { s64 time; int ret; nvkm_trace(subdev, "init running...\n"); time = ktime_to_us(ktime_get()); if (subdev->func->oneinit && !subdev->oneinit) { s64 time; nvkm_trace(subdev, "one-time init running...\n"); time = ktime_to_us(ktime_get()); ret = subdev->func->oneinit(subdev); if (ret) { nvkm_error(subdev, "one-time init failed, %d\n", ret); return ret; } subdev->oneinit = true; time = ktime_to_us(ktime_get()) - time; nvkm_trace(subdev, "one-time init completed in %lldus\n", time); } if (subdev->func->init) { ret = subdev->func->init(subdev); if (ret) { nvkm_error(subdev, "init failed, %d\n", ret); return ret; } } time = ktime_to_us(ktime_get()) - time; nvkm_trace(subdev, "init completed in %lldus\n", time); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs179100.00%1100.00%
Total179100.00%1100.00%


void nvkm_subdev_del(struct nvkm_subdev **psubdev) { struct nvkm_subdev *subdev = *psubdev; s64 time; if (subdev && !WARN_ON(!subdev->func)) { nvkm_trace(subdev, "destroy running...\n"); time = ktime_to_us(ktime_get()); if (subdev->func->dtor) *psubdev = subdev->func->dtor(subdev); time = ktime_to_us(ktime_get()) - time; nvkm_trace(subdev, "destroy completed in %lldus\n", time); kfree(*psubdev); *psubdev = NULL; } }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs102100.00%1100.00%
Total102100.00%1100.00%


void nvkm_subdev_ctor(const struct nvkm_subdev_func *func, struct nvkm_device *device, int index, struct nvkm_subdev *subdev) { const char *name = nvkm_subdev_name[index]; subdev->func = func; subdev->device = device; subdev->index = index; __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]); subdev->debug = nvkm_dbgopt(device->dbgopt, name); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs81100.00%1100.00%
Total81100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs93898.74%1083.33%
Alexandre Courbot60.63%18.33%
Martin Peres60.63%18.33%
Total950100.00%12100.00%
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