From: Alexandre Courbot <acourbot@nvidia.com>
Date: Wed, 25 Mar 2026 02:46:16 +0000 (+0900)
Subject: gpu: nova-core: convert PBUS registers to kernel register macro
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e7588dcb0a7fef0e709f6907fc42bb7d7458038;p=thirdparty%2Flinux.git

gpu: nova-core: convert PBUS registers to kernel register macro

Convert all PBUS registers to use the kernel's register macro and update
the code accordingly.

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260325-b4-nova-register-v4-3-bdf172f0f6ca@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---

diff --git a/drivers/gpu/nova-core/gsp/boot.rs b/drivers/gpu/nova-core/gsp/boot.rs
index e55210ebb6d10..3a01248189565 100644
--- a/drivers/gpu/nova-core/gsp/boot.rs
+++ b/drivers/gpu/nova-core/gsp/boot.rs
@@ -4,6 +4,7 @@ use kernel::{
     device,
     dma::Coherent,
     io::poll::read_poll_timeout,
+    io::Io,
     pci,
     prelude::*,
     time::Delta, //
@@ -86,7 +87,9 @@ impl super::Gsp {
         }
 
         // SCRATCH_E contains the error code for FWSEC-FRTS.
-        let frts_status = regs::NV_PBUS_SW_SCRATCH_0E_FRTS_ERR::read(bar).frts_err_code();
+        let frts_status = bar
+            .read(regs::NV_PBUS_SW_SCRATCH_0E_FRTS_ERR)
+            .frts_err_code();
         if frts_status != 0 {
             dev_err!(
                 dev,
diff --git a/drivers/gpu/nova-core/regs.rs b/drivers/gpu/nova-core/regs.rs
index 58fb807605dd5..533d912659ba5 100644
--- a/drivers/gpu/nova-core/regs.rs
+++ b/drivers/gpu/nova-core/regs.rs
@@ -109,12 +109,14 @@ impl kernel::fmt::Display for NV_PMC_BOOT_42 {
 
 // PBUS
 
-register!(NV_PBUS_SW_SCRATCH @ 0x00001400[64]  {});
+io::register! {
+    pub(crate) NV_PBUS_SW_SCRATCH(u32)[64] @ 0x00001400 {}
 
-register!(NV_PBUS_SW_SCRATCH_0E_FRTS_ERR => NV_PBUS_SW_SCRATCH[0xe],
-    "scratch register 0xe used as FRTS firmware error code" {
-    31:16   frts_err_code as u16;
-});
+    /// Scratch register 0xe used as FRTS firmware error code.
+    pub(crate) NV_PBUS_SW_SCRATCH_0E_FRTS_ERR(u32) => NV_PBUS_SW_SCRATCH[0xe] {
+        31:16   frts_err_code;
+    }
+}
 
 // PFB