248 lines
6.1 KiB
C
248 lines
6.1 KiB
C
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/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "priv.h"
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#include "ram.h"
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#include <core/memory.h>
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#include <core/option.h>
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#include <subdev/bios.h>
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#include <subdev/bios/M0203.h>
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#include <engine/gr.h>
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#include <engine/mpeg.h>
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void
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nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
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{
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fb->func->tile.fini(fb, region, tile);
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}
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void
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nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size,
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u32 pitch, u32 flags, struct nvkm_fb_tile *tile)
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{
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fb->func->tile.init(fb, region, addr, size, pitch, flags, tile);
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}
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void
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nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
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{
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struct nvkm_device *device = fb->subdev.device;
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if (fb->func->tile.prog) {
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fb->func->tile.prog(fb, region, tile);
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if (device->gr)
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nvkm_engine_tile(&device->gr->engine, region);
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if (device->mpeg)
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nvkm_engine_tile(device->mpeg, region);
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}
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}
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int
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nvkm_fb_bios_memtype(struct nvkm_bios *bios)
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{
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struct nvkm_subdev *subdev = &bios->subdev;
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struct nvkm_device *device = subdev->device;
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const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2;
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struct nvbios_M0203E M0203E;
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u8 ver, hdr;
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if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
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switch (M0203E.type) {
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case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2;
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case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;
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case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3;
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case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5;
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case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X;
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case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6;
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case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2;
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default:
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nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
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return NVKM_RAM_TYPE_UNKNOWN;
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}
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}
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nvkm_warn(subdev, "M0203E not matched!\n");
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return NVKM_RAM_TYPE_UNKNOWN;
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}
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static void
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nvkm_fb_intr(struct nvkm_subdev *subdev)
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{
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struct nvkm_fb *fb = nvkm_fb(subdev);
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if (fb->func->intr)
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fb->func->intr(fb);
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}
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static int
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nvkm_fb_oneinit(struct nvkm_subdev *subdev)
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{
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struct nvkm_fb *fb = nvkm_fb(subdev);
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u32 tags = 0;
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if (fb->func->ram_new) {
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int ret = fb->func->ram_new(fb, &fb->ram);
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if (ret) {
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nvkm_error(subdev, "vram setup failed, %d\n", ret);
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return ret;
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}
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}
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if (fb->func->oneinit) {
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int ret = fb->func->oneinit(fb);
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if (ret)
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return ret;
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}
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/* Initialise compression tag allocator.
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*
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* LTC oneinit() will override this on Fermi and newer.
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*/
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if (fb->func->tags) {
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tags = fb->func->tags(fb);
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nvkm_debug(subdev, "%d comptags\n", tags);
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}
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return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1);
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}
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static int
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nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb)
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{
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struct nvkm_subdev *subdev = &fb->subdev;
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int ret;
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nvkm_debug(subdev, "VPR locked, running scrubber binary\n");
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if (!fb->vpr_scrubber.size) {
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nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n");
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return 0;
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}
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ret = fb->func->vpr.scrub(fb);
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if (ret) {
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nvkm_error(subdev, "VPR scrubber binary failed\n");
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return ret;
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}
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if (fb->func->vpr.scrub_required(fb)) {
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nvkm_error(subdev, "VPR still locked after scrub!\n");
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return -EIO;
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}
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nvkm_debug(subdev, "VPR scrubber binary successful\n");
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return 0;
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}
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static int
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nvkm_fb_init(struct nvkm_subdev *subdev)
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{
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struct nvkm_fb *fb = nvkm_fb(subdev);
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int ret, i;
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if (fb->ram) {
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ret = nvkm_ram_init(fb->ram);
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if (ret)
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return ret;
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}
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for (i = 0; i < fb->tile.regions; i++)
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fb->func->tile.prog(fb, i, &fb->tile.region[i]);
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if (fb->func->init)
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fb->func->init(fb);
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if (fb->func->init_remapper)
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fb->func->init_remapper(fb);
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if (fb->func->init_page) {
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ret = fb->func->init_page(fb);
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if (WARN_ON(ret))
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return ret;
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}
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if (fb->func->init_unkn)
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fb->func->init_unkn(fb);
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if (fb->func->vpr.scrub_required &&
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fb->func->vpr.scrub_required(fb)) {
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ret = nvkm_fb_init_scrub_vpr(fb);
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if (ret)
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return ret;
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}
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return 0;
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}
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static void *
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nvkm_fb_dtor(struct nvkm_subdev *subdev)
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{
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struct nvkm_fb *fb = nvkm_fb(subdev);
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int i;
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nvkm_memory_unref(&fb->mmu_wr);
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nvkm_memory_unref(&fb->mmu_rd);
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for (i = 0; i < fb->tile.regions; i++)
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fb->func->tile.fini(fb, i, &fb->tile.region[i]);
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nvkm_mm_fini(&fb->tags.mm);
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mutex_destroy(&fb->tags.mutex);
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nvkm_ram_del(&fb->ram);
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nvkm_blob_dtor(&fb->vpr_scrubber);
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if (fb->func->dtor)
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return fb->func->dtor(fb);
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return fb;
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}
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static const struct nvkm_subdev_func
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nvkm_fb = {
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.dtor = nvkm_fb_dtor,
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.oneinit = nvkm_fb_oneinit,
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.init = nvkm_fb_init,
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.intr = nvkm_fb_intr,
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};
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void
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nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,
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enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb)
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{
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nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev);
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fb->func = func;
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fb->tile.regions = fb->func->tile.regions;
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fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage);
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mutex_init(&fb->tags.mutex);
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}
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int
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nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
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enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
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{
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if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))
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return -ENOMEM;
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nvkm_fb_ctor(func, device, type, inst, *pfb);
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return 0;
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}
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