drm/xe: Move xe_device_sysfs_init() to xe_device_probe()

Since xe_device_sysfs_init() exposes device specific attributes, a better
place for it is xe_device_probe().

Signed-off-by: Raag Jadav <[e-mail]>
Reviewed-by: Riana Tauro <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rodrigo Vivi <[e-mail]>

drivers/gpu/drm/xe/xe_device.c

···
 #include "xe_bo_evict.h"
 #include "xe_debugfs.h"
 #include "xe_devcoredump.h"
+#include "xe_device_sysfs.h"
 #include "xe_dma_buf.h"
 #include "xe_drm_client.h"
 #include "xe_drv.h"
···
 		goto err_unregister_display;
 
 	err = xe_pmu_register(&xe->pmu);
+	if (err)
+		goto err_unregister_display;
+
+	err = xe_device_sysfs_init(xe);
 	if (err)
 		goto err_unregister_display;
 

drivers/gpu/drm/xe/xe_device_sysfs.c

···
 {
 	struct xe_device *xe = arg;
 
-	sysfs_remove_file(&xe->drm.dev->kobj, &dev_attr_vram_d3cold_threshold.attr);
+	if (xe->d3cold.capable)
+		sysfs_remove_file(&xe->drm.dev->kobj, &dev_attr_vram_d3cold_threshold.attr);
 }
 
 int xe_device_sysfs_init(struct xe_device *xe)
···
 	struct device *dev = xe->drm.dev;
 	int ret;
 
-	ret = sysfs_create_file(&dev->kobj, &dev_attr_vram_d3cold_threshold.attr);
-	if (ret)
-		return ret;
+	if (xe->d3cold.capable) {
+		ret = sysfs_create_file(&dev->kobj, &dev_attr_vram_d3cold_threshold.attr);
+		if (ret)
+			return ret;
+	}
 
 	return devm_add_action_or_reset(dev, xe_device_sysfs_fini, xe);
 }

drivers/gpu/drm/xe/xe_pm.c

···
 #include "xe_bo.h"
 #include "xe_bo_evict.h"
 #include "xe_device.h"
-#include "xe_device_sysfs.h"
 #include "xe_ggtt.h"
 #include "xe_gt.h"
 #include "xe_guc.h"
···
 	if (err)
 		return err;
 
+	xe->d3cold.capable = xe_pm_pci_d3cold_capable(xe);
 	return 0;
 }
 ALLOW_ERROR_INJECTION(xe_pm_init_early, ERRNO); /* See xe_pci_probe() */
···
 	if (!xe_device_uc_enabled(xe))
 		return 0;
 
-	xe->d3cold.capable = xe_pm_pci_d3cold_capable(xe);
-
 	if (xe->d3cold.capable) {
-		err = xe_device_sysfs_init(xe);
-		if (err)
-			goto err_unregister;
-
 		vram_threshold = vram_threshold_value(xe);
 		err = xe_pm_set_vram_threshold(xe, vram_threshold);
 		if (err)