From: Ben Skeggs Date: Tue, 11 Dec 2018 04:50:02 +0000 (+1000) Subject: drm/nouveau/bar/tu104: initial support X-Git-Tag: v5.4-rc1~1776^2^2~37 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=838efaa5743802f78a64fc64d3237b79517cee9f;p=platform%2Fkernel%2Flinux-rpi.git drm/nouveau/bar/tu104: initial support New registers. Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h index 18dd10a..fd9d713 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h @@ -29,4 +29,5 @@ int gf100_bar_new(struct nvkm_device *, int, struct nvkm_bar **); int gk20a_bar_new(struct nvkm_device *, int, struct nvkm_bar **); int gm107_bar_new(struct nvkm_device *, int, struct nvkm_bar **); int gm20b_bar_new(struct nvkm_device *, int, struct nvkm_bar **); +int tu104_bar_new(struct nvkm_device *, int, struct nvkm_bar **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 19da725..eb14584 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2437,6 +2437,7 @@ nv140_chipset = { static const struct nvkm_device_chip nv164_chipset = { .name = "TU104", + .bar = tu104_bar_new, .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = tu104_devinit_new, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild index e583045..ab0282d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild @@ -5,3 +5,4 @@ nvkm-y += nvkm/subdev/bar/gf100.o nvkm-y += nvkm/subdev/bar/gk20a.o nvkm-y += nvkm/subdev/bar/gm107.o nvkm-y += nvkm/subdev/bar/gm20b.o +nvkm-y += nvkm/subdev/bar/tu104.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu104.c new file mode 100644 index 0000000..ecaead1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu104.c @@ -0,0 +1,98 @@ +/* + * Copyright 2018 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. + */ +#include "gf100.h" + +#include +#include + +static void +tu104_bar_bar2_wait(struct nvkm_bar *bar) +{ + struct nvkm_device *device = bar->subdev.device; + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0xb80f50) & 0x0000000c)) + break; + ); +} + +static void +tu104_bar_bar2_fini(struct nvkm_bar *bar) +{ + nvkm_mask(bar->subdev.device, 0xb80f48, 0x80000000, 0x00000000); +} + +static void +tu104_bar_bar2_init(struct nvkm_bar *base) +{ + struct nvkm_device *device = base->subdev.device; + struct gf100_bar *bar = gf100_bar(base); + u32 addr = nvkm_memory_addr(bar->bar[0].inst) >> 12; + if (bar->bar2_halve) + addr |= 0x40000000; + nvkm_wr32(device, 0xb80f48, 0x80000000 | addr); +} + +static void +tu104_bar_bar1_wait(struct nvkm_bar *bar) +{ + struct nvkm_device *device = bar->subdev.device; + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0xb80f50) & 0x00000003)) + break; + ); +} + +static void +tu104_bar_bar1_fini(struct nvkm_bar *bar) +{ + nvkm_mask(bar->subdev.device, 0xb80f40, 0x80000000, 0x00000000); +} + +static void +tu104_bar_bar1_init(struct nvkm_bar *base) +{ + struct nvkm_device *device = base->subdev.device; + struct gf100_bar *bar = gf100_bar(base); + const u32 addr = nvkm_memory_addr(bar->bar[1].inst) >> 12; + nvkm_wr32(device, 0xb80f40, 0x80000000 | addr); +} + +static const struct nvkm_bar_func +tu104_bar = { + .dtor = gf100_bar_dtor, + .oneinit = gf100_bar_oneinit, + .bar1.init = tu104_bar_bar1_init, + .bar1.fini = tu104_bar_bar1_fini, + .bar1.wait = tu104_bar_bar1_wait, + .bar1.vmm = gf100_bar_bar1_vmm, + .bar2.init = tu104_bar_bar2_init, + .bar2.fini = tu104_bar_bar2_fini, + .bar2.wait = tu104_bar_bar2_wait, + .bar2.vmm = gf100_bar_bar2_vmm, + .flush = g84_bar_flush, +}; + +int +tu104_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar) +{ + return gf100_bar_new_(&tu104_bar, device, index, pbar); +}