gpu: nova: require little endian

The driver already assumes little endian in a lot of locations. For
example, all the code that reads RPCs out of the command queue just
directly interprets the bytes.

Make this explicit in Kconfig.

Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Link: https://patch.msgid.link/20260407-fix-kconfig-v2-1-6b4fb06c690c@nvidia.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

diff --git a/drivers/gpu/drm/nova/Kconfig b/drivers/gpu/drm/nova/Kconfig
index 3e637ad7b5bad964e724d3ccf6cf7fc948d626f4..a2028b8539d73b2e2b57e1a305aa755da096c44c 100644 (file)
--- a/drivers/gpu/drm/nova/Kconfig
+++ b/drivers/gpu/drm/nova/Kconfig
@@ -4,6 +4,7 @@ config DRM_NOVA
        depends on DRM=y
        depends on PCI
        depends on RUST
+       depends on !CPU_BIG_ENDIAN
        select AUXILIARY_BUS
        select NOVA_CORE
        default n

diff --git a/drivers/gpu/nova-core/Kconfig b/drivers/gpu/nova-core/Kconfig
index a4f2380654e2d15da7925dd157011b7e55a284e0..d8456f8eaa057897e4dc38ed8c4225b26b78fae3 100644 (file)
--- a/drivers/gpu/nova-core/Kconfig
+++ b/drivers/gpu/nova-core/Kconfig
@@ -3,6 +3,7 @@ config NOVA_CORE
        depends on 64BIT
        depends on PCI
        depends on RUST
+       depends on !CPU_BIG_ENDIAN
        select AUXILIARY_BUS
        select RUST_FW_LOADER_ABSTRACTIONS
        default n