From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- .../drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c') diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c new file mode 100644 index 000000000..6eb417765 --- /dev/null +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pci/nv40.c @@ -0,0 +1,65 @@ +/* + * 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 + */ +#include "priv.h" + +u32 +nv40_pci_rd32(struct nvkm_pci *pci, u16 addr) +{ + struct nvkm_device *device = pci->subdev.device; + return nvkm_rd32(device, 0x088000 + addr); +} + +void +nv40_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr08(device, 0x088000 + addr, data); +} + +void +nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data) +{ + struct nvkm_device *device = pci->subdev.device; + nvkm_wr32(device, 0x088000 + addr, data); +} + +void +nv40_pci_msi_rearm(struct nvkm_pci *pci) +{ + nvkm_pci_wr08(pci, 0x0068, 0xff); +} + +static const struct nvkm_pci_func +nv40_pci_func = { + .rd32 = nv40_pci_rd32, + .wr08 = nv40_pci_wr08, + .wr32 = nv40_pci_wr32, + .msi_rearm = nv40_pci_msi_rearm, +}; + +int +nv40_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci) +{ + return nvkm_pci_new_(&nv40_pci_func, device, index, ppci); +} -- cgit 1.2.3-korg