1 // SPDX-License-Identifier: GPL-2.0 2 // SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 3 4 use kernel::{ 5 prelude::*, 6 sizes::SizeConstants, // 7 }; 8 9 use crate::{ 10 driver::Bar0, 11 fb::hal::FbHal, // 12 }; 13 14 struct Gh100; 15 16 impl FbHal for Gh100 { 17 fn read_sysmem_flush_page(&self, bar: Bar0<'_>) -> u64 { 18 super::ga100::read_sysmem_flush_page_ga100(bar) 19 } 20 21 fn write_sysmem_flush_page(&self, bar: Bar0<'_>, addr: u64) -> Result { 22 super::ga100::write_sysmem_flush_page_ga100(bar, addr); 23 24 Ok(()) 25 } 26 27 fn supports_display(&self, bar: Bar0<'_>) -> bool { 28 super::ga100::display_enabled_ga100(bar) 29 } 30 31 fn vidmem_size(&self, bar: Bar0<'_>) -> u64 { 32 super::ga102::vidmem_size_ga102(bar) 33 } 34 35 fn pmu_reserved_size(&self) -> u32 { 36 super::tu102::pmu_reserved_size_tu102() 37 } 38 39 fn non_wpr_heap_size(&self) -> u32 { 40 // Non-WPR heap for Hopper (see Open RM: kgspCalculateFbLayout_GH100). 41 u32::SZ_2M 42 } 43 44 fn frts_size(&self) -> u64 { 45 super::tu102::frts_size_tu102() 46 } 47 } 48 49 const GH100: Gh100 = Gh100; 50 pub(super) const GH100_HAL: &dyn FbHal = &GH100; 51