1 /* SPDX-License-Identifier: MIT 2 * 3 * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved. 4 */ 5 #include "priv.h" 6 7 #include <nvhw/drf.h> 8 #include <nvhw/ref/gb10b/dev_fbhub.h> 9 10 static void 11 gb202_fb_sysmem_flush_page_init(struct nvkm_fb *fb) 12 { 13 struct nvkm_device *device = fb->subdev.device; 14 const u64 addr = fb->sysmem.flush_page_addr; 15 16 nvkm_wr32(device, NV_PFB_FBHUB0_PCIE_FLUSH_SYSMEM_ADDR_HI, upper_32_bits(addr)); 17 nvkm_wr32(device, NV_PFB_FBHUB0_PCIE_FLUSH_SYSMEM_ADDR_LO, lower_32_bits(addr)); 18 } 19 20 static const struct nvkm_fb_func 21 gb202_fb = { 22 .sysmem.flush_page_init = gb202_fb_sysmem_flush_page_init, 23 .vidmem.size = ga102_fb_vidmem_size, 24 }; 25 26 int 27 gb202_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) 28 { 29 return r535_fb_new(&gb202_fb, device, type, inst, pfb); 30 } 31