diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pci')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c | 11 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/g84.c | 64 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c | 39 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv46.c (renamed from drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c) | 14 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h | 6 |
8 files changed, 132 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild index 99672c3d0..4476ef75a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/Kbuild @@ -2,6 +2,8 @@ nvkm-y += nvkm/subdev/pci/agp.o nvkm-y += nvkm/subdev/pci/base.o nvkm-y += nvkm/subdev/pci/nv04.o nvkm-y += nvkm/subdev/pci/nv40.o +nvkm-y += nvkm/subdev/pci/nv46.o nvkm-y += nvkm/subdev/pci/nv4c.o -nvkm-y += nvkm/subdev/pci/nv50.o +nvkm-y += nvkm/subdev/pci/g84.o +nvkm-y += nvkm/subdev/pci/g94.o nvkm-y += nvkm/subdev/pci/gf100.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c index d1c148e51..d671dcfaf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c @@ -46,6 +46,14 @@ nvkm_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) pci->func->wr32(pci, addr, data); } +u32 +nvkm_pci_mask(struct nvkm_pci *pci, u16 addr, u32 mask, u32 value) +{ + u32 data = pci->func->rd32(pci, addr); + pci->func->wr32(pci, addr, (data & ~mask) | value); + return data; +} + void nvkm_pci_rom_shadow(struct nvkm_pci *pci, bool shadow) { @@ -111,6 +119,9 @@ nvkm_pci_init(struct nvkm_subdev *subdev) return ret; } + if (pci->func->init) + pci->func->init(pci); + ret = request_irq(pdev->irq, nvkm_pci_intr, IRQF_SHARED, "nvkm", pci); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g84.c new file mode 100644 index 000000000..3faa6bfb8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g84.c @@ -0,0 +1,64 @@ +/* + * 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" + +#include <core/pci.h> + +void +g84_pci_init(struct nvkm_pci *pci) +{ + /* The following only concerns PCIe cards. */ + if (!pci_is_pcie(pci->pdev)) + return; + + /* Tag field is 8-bit long, regardless of EXT_TAG. + * However, if EXT_TAG is disabled, only the lower 5 bits of the tag + * field should be used, limiting the number of request to 32. + * + * Apparently, 0x041c stores some limit on the number of requests + * possible, so if EXT_TAG is disabled, limit that requests number to + * 32 + * + * Fixes fdo#86537 + */ + if (nvkm_pci_rd32(pci, 0x007c) & 0x00000020) + nvkm_pci_mask(pci, 0x0080, 0x00000100, 0x00000100); + else + nvkm_pci_mask(pci, 0x041c, 0x00000060, 0x00000000); +} + +static const struct nvkm_pci_func +g84_pci_func = { + .init = g84_pci_init, + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = nv46_pci_msi_rearm, +}; + +int +g84_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&g84_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c new file mode 100644 index 000000000..cd311ee31 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/g94.c @@ -0,0 +1,39 @@ +/* + * 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 const struct nvkm_pci_func +g94_pci_func = { + .init = g84_pci_init, + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = nv40_pci_msi_rearm, +}; + +int +g94_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&g94_pci_func, device, index, ppci); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c index 86f822653..25e1ae708 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/gf100.c @@ -31,6 +31,7 @@ gf100_pci_msi_rearm(struct nvkm_pci *pci) 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, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c index 090a187f1..6eb417765 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c @@ -44,7 +44,7 @@ nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) nvkm_wr32(device, 0x088000 + addr, data); } -static void +void nv40_pci_msi_rearm(struct nvkm_pci *pci) { nvkm_pci_wr08(pci, 0x0068, 0xff); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv46.c index 3e167d4a3..fc617e4c0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv46.c @@ -25,11 +25,11 @@ #include <core/pci.h> -/* MSI re-arm through the PRI appears to be broken on the original G80, +/* MSI re-arm through the PRI appears to be broken on NV46/NV50/G84/G86/G92, * so we access it via alternate PCI config space mechanisms. */ -static void -nv50_pci_msi_rearm(struct nvkm_pci *pci) +void +nv46_pci_msi_rearm(struct nvkm_pci *pci) { struct nvkm_device *device = pci->subdev.device; struct pci_dev *pdev = device->func->pci(device)->pdev; @@ -37,15 +37,15 @@ nv50_pci_msi_rearm(struct nvkm_pci *pci) } static const struct nvkm_pci_func -nv50_pci_func = { +nv46_pci_func = { .rd32 = nv40_pci_rd32, .wr08 = nv40_pci_wr08, .wr32 = nv40_pci_wr32, - .msi_rearm = nv50_pci_msi_rearm, + .msi_rearm = nv46_pci_msi_rearm, }; int -nv50_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +nv46_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) { - return nvkm_pci_new_(&nv50_pci_func, device, index, ppci); + return nvkm_pci_new_(&nv46_pci_func, device, index, ppci); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h index d22c2c117..cf46d38d0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h @@ -7,6 +7,7 @@ int nvkm_pci_new_(const struct nvkm_pci_func *, struct nvkm_device *, int index, struct nvkm_pci **); struct nvkm_pci_func { + void (*init)(struct nvkm_pci *); u32 (*rd32)(struct nvkm_pci *, u16 addr); void (*wr08)(struct nvkm_pci *, u16 addr, u8 data); void (*wr32)(struct nvkm_pci *, u16 addr, u32 data); @@ -16,4 +17,9 @@ struct nvkm_pci_func { u32 nv40_pci_rd32(struct nvkm_pci *, u16); void nv40_pci_wr08(struct nvkm_pci *, u16, u8); void nv40_pci_wr32(struct nvkm_pci *, u16, u32); +void nv40_pci_msi_rearm(struct nvkm_pci *); + +void nv46_pci_msi_rearm(struct nvkm_pci *); + +void g84_pci_init(struct nvkm_pci *pci); #endif |