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gpu: nova-core: implement Display for Spec 

Implement Display for Spec. This simplifies the dev_info!() code for
printing banners such as:

    NVIDIA (Chipset: GA104, Architecture: Ampere, Revision: a.1)

Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251114024109.465136-2-jhubbard@nvidia.com>
This commit is contained in:
John Hubbard 2025-11-13 18:41:04 -08:00 committed by Alexandre Courbot
parent 5949d419c1
commit 38b7cc448a
1 changed files with 13 additions and 7 deletions
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20
drivers/gpu/nova-core/gpu.rs
View File

@ -180,6 +180,18 @@ fn new(bar: &Bar0) -> Result<Spec> {
} }
} }
impl fmt::Display for Spec {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"Chipset: {}, Architecture: {:?}, Revision: {}",
self.chipset,
self.chipset.arch(),
self.revision
)
}
}
/// Structure holding the resources required to operate the GPU. /// Structure holding the resources required to operate the GPU.
#[pin_data] #[pin_data]
pub(crate) struct Gpu { pub(crate) struct Gpu {
@ -206,13 +218,7 @@ pub(crate) fn new<'a>(
) -> impl PinInit<Self, Error> + 'a { ) -> impl PinInit<Self, Error> + 'a {
try_pin_init!(Self { try_pin_init!(Self {
spec: Spec::new(bar).inspect(|spec| { spec: Spec::new(bar).inspect(|spec| {
dev_info!( dev_info!(pdev.as_ref(),"NVIDIA ({})\n", spec);
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. // We must wait for GFW_BOOT completion before doing any significant setup on the GPU.