[PATCH v2 04/13] gpu: nova-core: add support for Turing/GA100 fwsignature

[Timur Tabi <ttabi@nvidia.com>]

Turing and GA100 share the same GSP-RM firmware binary, and the
signature ELF section is labeled ".fwsignature_tu10x".

Signed-off-by: Timur Tabi <ttabi@nvidia.com>
---
 drivers/gpu/nova-core/firmware/gsp.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/nova-core/firmware/gsp.rs b/drivers/gpu/nova-core/firmware/gsp.rs
index 0549805282ab..aa5a6433c377 100644
--- a/drivers/gpu/nova-core/firmware/gsp.rs
+++ b/drivers/gpu/nova-core/firmware/gsp.rs
@@ -163,9 +163,14 @@ pub(crate) fn new<'a, 'b>(
         let fw_section = elf::elf64_section(fw.data(), ".fwimage").ok_or(EINVAL)?;
 
         let sigs_section = match chipset.arch() {
-            Architecture::Ampere => ".fwsignature_ga10x",
+            Architecture::Turing | Architecture::Ampere =>
+                if chipset > Chipset::GA100 {
+                    ".fwsignature_ga10x"
+                } else {
+                    // GA100 uses the same firmware as Turing
+                    ".fwsignature_tu10x"
+                },
             Architecture::Ada => ".fwsignature_ad10x",
-            _ => return Err(ENOTSUPP),
         };
         let signatures = elf::elf64_section(fw.data(), sigs_section)
             .ok_or(EINVAL)
-- 
2.52.0