From: John Hubbard <jhubbard@nvidia.com>
This register read is not required in order to bring up any of the GPUs,
and it is read too early on Hopper/Blackwell+ GPUs anyway. So just stop
doing this.
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
drivers/gpu/nova-core/falcon.rs | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/nova-core/falcon.rs b/drivers/gpu/nova-core/falcon.rs
index 05bde1f161ea..023f9b575a5d 100644
--- a/drivers/gpu/nova-core/falcon.rs
+++ b/drivers/gpu/nova-core/falcon.rs
@@ -355,11 +355,6 @@ pub(crate) fn new(
bar: &Bar0,
need_riscv: bool,
) -> Result<Self> {
- let hwcfg1 = regs::NV_PFALCON_FALCON_HWCFG1::read(bar, &E::ID);
- // Check that the revision and security model contain valid values.
- let _ = hwcfg1.core_rev()?;
- let _ = hwcfg1.security_model()?;
-
if need_riscv {
let hwcfg2 = regs::NV_PFALCON_FALCON_HWCFG2::read(bar, &E::ID);
if !hwcfg2.riscv() {
--
2.34.1