[PATCH v10 10/10] gpu: nova-core: add gen_bootloader firmware to ModInfoBuilder

[Alexandre Courbot <acourbot@nvidia.com>]

Turing GPUs need an additional firmware file (the FWSEC generic
bootloader) in order to initialize. Add it to `ModInfoBuilder`.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
 drivers/gpu/nova-core/firmware.rs | 21 +++++++++++++++------
 drivers/gpu/nova-core/gpu.rs      |  7 +++++++
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/nova-core/firmware.rs b/drivers/gpu/nova-core/firmware.rs
index 6d47a6364c79..6d97fecefa74 100644
--- a/drivers/gpu/nova-core/firmware.rs
+++ b/drivers/gpu/nova-core/firmware.rs
@@ -415,11 +415,20 @@ const fn make_entry_file(self, chipset: &str, fw: &str) -> Self {
         )
     }
 
-    const fn make_entry_chipset(self, chipset: &str) -> Self {
-        self.make_entry_file(chipset, "booter_load")
-            .make_entry_file(chipset, "booter_unload")
-            .make_entry_file(chipset, "bootloader")
-            .make_entry_file(chipset, "gsp")
+    const fn make_entry_chipset(self, chipset: gpu::Chipset) -> Self {
+        let name = chipset.name();
+
+        let this = self
+            .make_entry_file(name, "booter_load")
+            .make_entry_file(name, "booter_unload")
+            .make_entry_file(name, "bootloader")
+            .make_entry_file(name, "gsp");
+
+        if chipset.needs_fwsec_bootloader() {
+            this.make_entry_file(name, "gen_bootloader")
+        } else {
+            this
+        }
     }
 
     pub(crate) const fn create(
@@ -429,7 +438,7 @@ pub(crate) const fn create(
         let mut i = 0;
 
         while i < gpu::Chipset::ALL.len() {
-            this = this.make_entry_chipset(gpu::Chipset::ALL[i].name());
+            this = this.make_entry_chipset(gpu::Chipset::ALL[i]);
             i += 1;
         }
 
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
index c14d411c6759..8579d632e717 100644
--- a/drivers/gpu/nova-core/gpu.rs
+++ b/drivers/gpu/nova-core/gpu.rs
@@ -105,6 +105,13 @@ pub(crate) const fn arch(self) -> Architecture {
             }
         }
     }
+
+    /// Returns `true` if this chipset requires the PIO-loaded bootloader in order to boot FWSEC.
+    ///
+    /// This includes all chipsets < GA102.
+    pub(crate) const fn needs_fwsec_bootloader(self) -> bool {
+        matches!(self.arch(), Architecture::Turing) || matches!(self, Self::GA100)
+    }
 }
 
 // TODO

-- 
2.53.0