drm/asahi: Adapt robust_isolation module parameter

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

drivers/gpu/drm/asahi/asahi.rs

@@ -48,9 +48,9 @@ kernel::module_platform_driver! {
             // permissions: 0o644,
             description: "Initial TVB size in blocks",
         },
-        robust_isolation: bool {
-            default: false,
-            permissions: 0o644,
+        robust_isolation: u32 {
+            default: 0,
+            // permissions: 0o644,
             description: "Fully isolate GPU contexts (limits performance)",
         },
     },

drivers/gpu/drm/asahi/mmu.rs

@@ -35,6 +35,7 @@ use kernel::{
 };
 
 use crate::debug::*;
+use crate::module_parameters;
 use crate::no_debug;
 use crate::{driver, fw, gem, hw, mem, pgtable, slotalloc, util::RangeExt};
 
@@ -1392,10 +1393,7 @@ impl Uat {
         if binding.binding.is_none() {
             assert_eq!(binding.active_users, 0);
 
-            let isolation = {
-                let lock = crate::THIS_MODULE.kernel_param_lock();
-                *crate::robust_isolation.read(&lock)
-            };
+            let isolation = *module_parameters::robust_isolation.get() != 0;
 
             self.slots.set_limit(if isolation {
                 NonZeroUsize::new(1)