gpu: nova-core: gsp: Move gsp register definition into gsp module

Split the gsp register definitions grouped in nova root
register file to the gsp module which actually use them.

Suggested-by: Alexandre Courbot <acourbot@nvidia.com>
Suggested-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Antonin Malzieu Ridolfi <dev@nanonej.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Link: https://patch.msgid.link/20260607140949.152575-1-dev@nanonej.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

drivers/gpu/nova-core/gsp.rs

@@ -22,6 +22,7 @@
 pub(crate) mod cmdq;
 pub(crate) mod commands;
 mod fw;
+mod regs;
 mod sequencer;
 
 pub(crate) use fw::{

drivers/gpu/nova-core/gsp/cmdq.rs

@@ -51,10 +51,11 @@
         GSP_PAGE_SIZE, //
     },
     num,
-    regs,
     sbuffer::SBufferIter, //
 };
 
+use super::regs;
+
 /// Marker type representing the absence of a reply for a command. Commands using this as their
 /// reply type are sent using [`Cmdq::send_command_no_wait`].
 pub(crate) struct NoReply;

drivers/gpu/nova-core/gsp/regs.rs

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+
+use kernel::io::register;
+
+// PGSP
+
+register! {
+    pub(super) NV_PGSP_QUEUE_HEAD(u32) @ 0x00110c00 {
+        31:0    address;
+    }
+}

drivers/gpu/nova-core/regs.rs

@@ -227,14 +227,6 @@ pub(crate) fn is_wpr2_set(self) -> bool {
     }
 }
 
-// PGSP
-
-register! {
-    pub(crate) NV_PGSP_QUEUE_HEAD(u32) @ 0x00110c00 {
-        31:0    address;
-    }
-}
-
 // PGC6 register space.
 //
 // `GC6` is a GPU low-power state where VRAM is in self-refresh and the GPU is powered down (except