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

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

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Joel Fernandes <joelagnelf@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-v4-7-bdf172f0f6ca@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

diff --git a/drivers/gpu/nova-core/fb.rs b/drivers/gpu/nova-core/fb.rs
index 6536d0035cb13ef580bb68f177cceb16c47f8f41..62fc90fa6a8446d12626e7c6b30d6ebeb116683f 100644 (file)
--- a/drivers/gpu/nova-core/fb.rs
+++ b/drivers/gpu/nova-core/fb.rs
@@ -8,6 +8,7 @@ use core::ops::{
 use kernel::{
     device,
     fmt,
+    io::Io,
     prelude::*,
     ptr::{
         Alignable,
@@ -189,7 +190,10 @@ impl FbLayout {
                 let base = fb.end - NV_PRAMIN_SIZE;
 
                 if hal.supports_display(bar) {
-                    match regs::NV_PDISP_VGA_WORKSPACE_BASE::read(bar).vga_workspace_addr() {
+                    match bar
+                        .read(regs::NV_PDISP_VGA_WORKSPACE_BASE)
+                        .vga_workspace_addr()
+                    {
                         Some(addr) => {
                             if addr < base {
                                 const VBIOS_WORKSPACE_SIZE: u64 = usize_as_u64(SZ_128K);

diff --git a/drivers/gpu/nova-core/regs.rs b/drivers/gpu/nova-core/regs.rs
index 61a8dba22d88ae2804f97b7a03246f913f3464d2..b051d5568cd8789f70c0c81b6fcaebeb1be07ebc 100644 (file)
--- a/drivers/gpu/nova-core/regs.rs
+++ b/drivers/gpu/nova-core/regs.rs
@@ -250,10 +250,14 @@ impl NV_USABLE_FB_SIZE_IN_MB {
 
 // PDISP
 
-register!(NV_PDISP_VGA_WORKSPACE_BASE @ 0x00625f04 {
-    3:3     status_valid as bool, "Set if the `addr` field is valid";
-    31:8    addr as u32, "VGA workspace base address divided by 0x10000";
-});
+io::register! {
+    pub(crate) NV_PDISP_VGA_WORKSPACE_BASE(u32) @ 0x00625f04 {
+        /// VGA workspace base address divided by 0x10000.
+        31:8    addr;
+        /// Set if the `addr` field is valid.
+        3:3     status_valid => bool;
+    }
+}
 
 impl NV_PDISP_VGA_WORKSPACE_BASE {
     /// Returns the base address of the VGA workspace, or `None` if none exists.