cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c

/*
 * Copyright 2015 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 <bskeggs@redhat.com>
 */
#include "priv.h"


static void gf100_pci_msi_rearm(struct nvkm_pci *pci) { nvkm_pci_wr08(pci, 0x0704, 0xff); }

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PersonTokensPropCommitsCommitProp
Ben Skeggs20100.00%1100.00%
Total20100.00%1100.00%


void gf100_pcie_set_version(struct nvkm_pci *pci, u8 ver) { struct nvkm_device *device = pci->subdev.device; nvkm_mask(device, 0x02241c, 0x1, ver > 1 ? 1 : 0); }

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PersonTokensPropCommitsCommitProp
Karol Herbst41100.00%1100.00%
Total41100.00%1100.00%


int gf100_pcie_version(struct nvkm_pci *pci) { struct nvkm_device *device = pci->subdev.device; return (nvkm_rd32(device, 0x02241c) & 0x1) + 1; }

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PersonTokensPropCommitsCommitProp
Karol Herbst35100.00%1100.00%
Total35100.00%1100.00%


void gf100_pcie_set_cap_speed(struct nvkm_pci *pci, bool full_speed) { struct nvkm_device *device = pci->subdev.device; nvkm_mask(device, 0x02241c, 0x80, full_speed ? 0x80 : 0x0); }

Contributors

PersonTokensPropCommitsCommitProp
Karol Herbst39100.00%1100.00%
Total39100.00%1100.00%


int gf100_pcie_cap_speed(struct nvkm_pci *pci) { struct nvkm_device *device = pci->subdev.device; u8 punits_pci_cap_speed = nvkm_rd32(device, 0x02241c) & 0x80; if (punits_pci_cap_speed == 0x80) return 1; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Karol Herbst45100.00%1100.00%
Total45100.00%1100.00%


int gf100_pcie_init(struct nvkm_pci *pci) { bool full_speed = g84_pcie_cur_speed(pci) == NVKM_PCIE_SPEED_5_0; gf100_pcie_set_cap_speed(pci, full_speed); return 0; }

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PersonTokensPropCommitsCommitProp
Karol Herbst30100.00%1100.00%
Total30100.00%1100.00%


int gf100_pcie_set_link(struct nvkm_pci *pci, enum nvkm_pcie_speed speed, u8 width) { gf100_pcie_set_cap_speed(pci, speed == NVKM_PCIE_SPEED_5_0); g84_pcie_set_link_speed(pci, speed); return 0; }

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PersonTokensPropCommitsCommitProp
Karol Herbst36100.00%1100.00%
Total36100.00%1100.00%

static const struct nvkm_pci_func gf100_pci_func = { .init = g84_pci_init, .rd32 = nv40_pci_rd32, .wr08 = nv40_pci_wr08, .wr32 = nv40_pci_wr32, .msi_rearm = gf100_pci_msi_rearm, .pcie.init = gf100_pcie_init, .pcie.set_link = gf100_pcie_set_link, .pcie.max_speed = g84_pcie_max_speed, .pcie.cur_speed = g84_pcie_cur_speed, .pcie.set_version = gf100_pcie_set_version, .pcie.version = gf100_pcie_version, .pcie.version_supported = g92_pcie_version_supported, };
int gf100_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) { return nvkm_pci_new_(&gf100_pci_func, device, index, ppci); }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs32100.00%1100.00%
Total32100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Karol Herbst27575.55%250.00%
Ben Skeggs8423.08%125.00%
Pierre Moreau51.37%125.00%
Total364100.00%4100.00%
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