diff options
Diffstat (limited to 'drivers/gpu/nova-core/gpu.rs')
| -rw-r--r-- | drivers/gpu/nova-core/gpu.rs | 159 |
1 files changed, 41 insertions, 118 deletions
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs index a0878ecdc18b..3c019df01d30 100644 --- a/drivers/gpu/nova-core/gpu.rs +++ b/drivers/gpu/nova-core/gpu.rs @@ -3,15 +3,13 @@ use kernel::{device, devres::Devres, error::code::*, pci, prelude::*, sync::Arc}; use crate::driver::Bar0; -use crate::falcon::{gsp::Gsp, sec2::Sec2, Falcon}; -use crate::fb::FbLayout; +use crate::falcon::{gsp::Gsp as GspFalcon, sec2::Sec2 as Sec2Falcon, Falcon}; use crate::fb::SysmemFlush; -use crate::firmware::fwsec::{FwsecCommand, FwsecFirmware}; use crate::firmware::{Firmware, FIRMWARE_VERSION}; use crate::gfw; +use crate::gsp::Gsp; use crate::regs; use crate::util; -use crate::vbios::Vbios; use core::fmt; macro_rules! define_chipset { @@ -172,133 +170,58 @@ pub(crate) struct Gpu { /// System memory page required for flushing all pending GPU-side memory writes done through /// PCIE into system memory, via sysmembar (A GPU-initiated HW memory-barrier operation). sysmem_flush: SysmemFlush, + /// GSP falcon instance, used for GSP boot up and cleanup. + gsp_falcon: Falcon<GspFalcon>, + /// SEC2 falcon instance, used for GSP boot up and cleanup. + sec2_falcon: Falcon<Sec2Falcon>, + /// GSP runtime data. Temporarily an empty placeholder. + #[pin] + gsp: Gsp, } impl Gpu { - /// Helper function to load and run the FWSEC-FRTS firmware and confirm that it has properly - /// created the WPR2 region. - /// - /// TODO: this needs to be moved into a larger type responsible for booting the whole GSP - /// (`GspBooter`?). - fn run_fwsec_frts( - dev: &device::Device<device::Bound>, - falcon: &Falcon<Gsp>, - bar: &Bar0, - bios: &Vbios, - fb_layout: &FbLayout, - ) -> Result<()> { - // Check that the WPR2 region does not already exists - if it does, we cannot run - // FWSEC-FRTS until the GPU is reset. - if regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).higher_bound() != 0 { - dev_err!( - dev, - "WPR2 region already exists - GPU needs to be reset to proceed\n" - ); - return Err(EBUSY); - } - - let fwsec_frts = FwsecFirmware::new( - dev, - falcon, - bar, - bios, - FwsecCommand::Frts { - frts_addr: fb_layout.frts.start, - frts_size: fb_layout.frts.end - fb_layout.frts.start, - }, - )?; - - // Run FWSEC-FRTS to create the WPR2 region. - fwsec_frts.run(dev, falcon, bar)?; - - // SCRATCH_E contains the error code for FWSEC-FRTS. - let frts_status = regs::NV_PBUS_SW_SCRATCH_0E_FRTS_ERR::read(bar).frts_err_code(); - if frts_status != 0 { - dev_err!( - dev, - "FWSEC-FRTS returned with error code {:#x}", - frts_status - ); - - return Err(EIO); - } - - // Check that the WPR2 region has been created as we requested. - let (wpr2_lo, wpr2_hi) = ( - regs::NV_PFB_PRI_MMU_WPR2_ADDR_LO::read(bar).lower_bound(), - regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).higher_bound(), - ); - - match (wpr2_lo, wpr2_hi) { - (_, 0) => { - dev_err!(dev, "WPR2 region not created after running FWSEC-FRTS\n"); - - Err(EIO) - } - (wpr2_lo, _) if wpr2_lo != fb_layout.frts.start => { - dev_err!( - dev, - "WPR2 region created at unexpected address {:#x}; expected {:#x}\n", - wpr2_lo, - fb_layout.frts.start, - ); - - Err(EIO) - } - (wpr2_lo, wpr2_hi) => { - dev_dbg!(dev, "WPR2: {:#x}-{:#x}\n", wpr2_lo, wpr2_hi); - dev_dbg!(dev, "GPU instance built\n"); - - Ok(()) - } - } - } - - pub(crate) fn new( - pdev: &pci::Device<device::Bound>, + pub(crate) fn new<'a>( + pdev: &'a pci::Device<device::Bound>, devres_bar: Arc<Devres<Bar0>>, - ) -> Result<impl PinInit<Self>> { - let bar = devres_bar.access(pdev.as_ref())?; - let spec = Spec::new(bar)?; - let fw = Firmware::new(pdev.as_ref(), spec.chipset, FIRMWARE_VERSION)?; - - dev_info!( - pdev.as_ref(), - "NVIDIA (Chipset: {}, Architecture: {:?}, Revision: {})\n", - spec.chipset, - spec.chipset.arch(), - spec.revision - ); + bar: &'a Bar0, + ) -> impl PinInit<Self, Error> + 'a { + try_pin_init!(Self { + spec: Spec::new(bar).inspect(|spec| { + dev_info!( + pdev.as_ref(), + "NVIDIA (Chipset: {}, Architecture: {:?}, Revision: {})\n", + spec.chipset, + spec.chipset.arch(), + spec.revision + ); + })?, - // We must wait for GFW_BOOT completion before doing any significant setup on the GPU. - gfw::wait_gfw_boot_completion(bar) - .inspect_err(|_| dev_err!(pdev.as_ref(), "GFW boot did not complete"))?; + // We must wait for GFW_BOOT completion before doing any significant setup on the GPU. + _: { + gfw::wait_gfw_boot_completion(bar) + .inspect_err(|_| dev_err!(pdev.as_ref(), "GFW boot did not complete"))?; + }, - let sysmem_flush = SysmemFlush::register(pdev.as_ref(), bar, spec.chipset)?; + fw <- Firmware::new(pdev.as_ref(), spec.chipset, FIRMWARE_VERSION)?, - let gsp_falcon = Falcon::<Gsp>::new( - pdev.as_ref(), - spec.chipset, - bar, - spec.chipset > Chipset::GA100, - )?; - gsp_falcon.clear_swgen0_intr(bar); + sysmem_flush: SysmemFlush::register(pdev.as_ref(), bar, spec.chipset)?, - let _sec2_falcon = Falcon::<Sec2>::new(pdev.as_ref(), spec.chipset, bar, true)?; + gsp_falcon: Falcon::new( + pdev.as_ref(), + spec.chipset, + bar, + spec.chipset > Chipset::GA100, + ) + .inspect(|falcon| falcon.clear_swgen0_intr(bar))?, - let fb_layout = FbLayout::new(spec.chipset, bar)?; - dev_dbg!(pdev.as_ref(), "{:#x?}\n", fb_layout); + sec2_falcon: Falcon::new(pdev.as_ref(), spec.chipset, bar, true)?, - let bios = Vbios::new(pdev.as_ref(), bar)?; + gsp <- Gsp::new(), - Self::run_fwsec_frts(pdev.as_ref(), &gsp_falcon, bar, &bios, &fb_layout)?; + _: { gsp.boot(pdev, bar, spec.chipset, gsp_falcon, sec2_falcon)? }, - Ok(pin_init!(Self { - spec, bar: devres_bar, - fw, - sysmem_flush, - })) + }) } /// Called when the corresponding [`Device`](device::Device) is unbound. |