drm/exec, drm/gpuvm: Prefer u32 over uint32_t

The relatively recently introduced drm/exec utility was using uint32_t
in its interface, which was then also carried over to drm/gpuvm.

Prefer u32 in new code and update drm/exec and drm/gpuvm accordingly.

Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240119090557.6360-1-thomas.hellstrom@linux.intel.com

drivers/gpu/drm/drm_exec.c

@@ -72,7 +72,7 @@ static void drm_exec_unlock_all(struct drm_exec *exec)
  *
  * Initialize the object and make sure that we can track locked objects.
  */
-void drm_exec_init(struct drm_exec *exec, uint32_t flags)
+void drm_exec_init(struct drm_exec *exec, u32 flags)
 {
 	exec->flags = flags;
 	exec->objects = kmalloc(PAGE_SIZE, GFP_KERNEL);

include/drm/drm_exec.h

@@ -18,7 +18,7 @@ struct drm_exec {
 	/**
 	 * @flags: Flags to control locking behavior
 	 */
-	uint32_t		flags;
+	u32                     flags;
 
 	/**
 	 * @ticket: WW ticket used for acquiring locks
@@ -135,7 +135,7 @@ static inline bool drm_exec_is_contended(struct drm_exec *exec)
 	return !!exec->contended;
 }
 
-void drm_exec_init(struct drm_exec *exec, uint32_t flags);
+void drm_exec_init(struct drm_exec *exec, u32 flags);
 void drm_exec_fini(struct drm_exec *exec);
 bool drm_exec_cleanup(struct drm_exec *exec);
 int drm_exec_lock_obj(struct drm_exec *exec, struct drm_gem_object *obj);

include/drm/drm_gpuvm.h

@@ -514,7 +514,7 @@ struct drm_gpuvm_exec {
 	/**
 	 * @flags: the flags for the struct drm_exec
 	 */
-	uint32_t flags;
+	u32 flags;
 
 	/**
 	 * @vm: the &drm_gpuvm to lock its DMA reservations