diff options
Diffstat (limited to 'drivers/gpu/nova-core/gpu.rs')
| -rw-r--r-- | drivers/gpu/nova-core/gpu.rs | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs index 4d0f759610ec..a0878ecdc18b 100644 --- a/drivers/gpu/nova-core/gpu.rs +++ b/drivers/gpu/nova-core/gpu.rs @@ -163,7 +163,7 @@ impl Spec { } /// Structure holding the resources required to operate the GPU. -#[pin_data(PinnedDrop)] +#[pin_data] pub(crate) struct Gpu { spec: Spec, /// MMIO mapping of PCI BAR 0 @@ -174,15 +174,6 @@ pub(crate) struct Gpu { sysmem_flush: SysmemFlush, } -#[pinned_drop] -impl PinnedDrop for Gpu { - fn drop(self: Pin<&mut Self>) { - // Unregister the sysmem flush page before we release it. - self.bar - .try_access_with(|b| self.sysmem_flush.unregister(b)); - } -} - impl Gpu { /// Helper function to load and run the FWSEC-FRTS firmware and confirm that it has properly /// created the WPR2 region. @@ -309,4 +300,15 @@ impl Gpu { sysmem_flush, })) } + + /// Called when the corresponding [`Device`](device::Device) is unbound. + /// + /// Note: This method must only be called from `Driver::unbind`. + pub(crate) fn unbind(&self, dev: &device::Device<device::Core>) { + kernel::warn_on!(self + .bar + .access(dev) + .inspect(|bar| self.sysmem_flush.unregister(bar)) + .is_err()); + } } |