gpu: nova-core: vbios: use the first PCI-AT image

Currently, PCI-AT takes the final image if multiple exist. Use the
first one instead, to match nouveau behaviour.

Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Link: https://patch.msgid.link/20260525-fix-vbios-v5-15-e5e455251537@nvidia.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

diff --git a/drivers/gpu/nova-core/vbios.rs b/drivers/gpu/nova-core/vbios.rs
index 9c5281e7a0d35bb7f0090148033f8fe4f9459013..82811e42e8581a31c33f83196804f84fa92f1db5 100644 (file)
--- a/drivers/gpu/nova-core/vbios.rs
+++ b/drivers/gpu/nova-core/vbios.rs
@@ -333,7 +333,10 @@ impl Vbios {
             // Convert to a specific image type
             match BiosImageType::try_from(image.pcir.code_type) {
                 Ok(BiosImageType::PciAt) => {
-                    pci_at_image = Some(PciAtBiosImage::try_from(image)?);
+                    // Silently ignore any extra PCI-AT images.
+                    if pci_at_image.is_none() {
+                        pci_at_image = Some(PciAtBiosImage::try_from(image)?);
+                    }
                 }
                 Ok(BiosImageType::FwSec) => {
                     if first_fwsec_image.is_none() {