drm/xe: Promote VRAM initialization function to own file

There is no point in mixing register access and VRAM code in the
same file. Move and rename the VRAM probe function to a new file
(there are no other changes other then new simple kernel-doc).
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240530133527.1328-5-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/Makefile

@@ -143,6 +143,7 @@ xe-y += xe_bb.o \
 	xe_uc_debugfs.o \
 	xe_uc_fw.o \
 	xe_vm.o \
+	xe_vram.o \
 	xe_vram_freq.o \
 	xe_wait_user_fence.o \
 	xe_wa.o \

drivers/gpu/drm/xe/xe_device.c

@@ -50,6 +50,7 @@
 #include "xe_ttm_stolen_mgr.h"
 #include "xe_ttm_sys_mgr.h"
 #include "xe_vm.h"
+#include "xe_vram.h"
 #include "xe_wait_user_fence.h"
 
 static int xe_file_open(struct drm_device *dev, struct drm_file *file)
@@ -619,7 +620,7 @@ int xe_device_probe(struct xe_device *xe)
 	if (err)
 		goto err_irq_shutdown;
 
-	err = xe_mmio_probe_vram(xe);
+	err = xe_vram_probe(xe);
 	if (err)
 		goto err_irq_shutdown;
 

drivers/gpu/drm/xe/xe_vram.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#ifndef _XE_VRAM_H_
+#define _XE_VRAM_H_
+
+struct xe_device;
+
+int xe_vram_probe(struct xe_device *xe);
+
+#endif