Files
linux/drivers/gpu/drm/xe/xe_tile_sysfs.c
Himal Prasad Ghimiray e3d0839aa5 drm/xe/tile: Abort driver load for sysfs creation failure
Ensure that the status of all tile associated sysfs entries creation is
relayed to xe_tile_init_noalloc, leading to a driver load abort if any
sysfs creation failures occur.

-v2
Avoid unnecessary warn/error messages. (Lucas)

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412181211.1155732-7-himal.prasad.ghimiray@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-04-18 13:30:17 -07:00

60 lines
1.1 KiB
C

// SPDX-License-Identifier: MIT
/*
* Copyright © 2023 Intel Corporation
*/
#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <drm/drm_managed.h>
#include "xe_pm.h"
#include "xe_tile.h"
#include "xe_tile_sysfs.h"
#include "xe_vram_freq.h"
static void xe_tile_sysfs_kobj_release(struct kobject *kobj)
{
kfree(kobj);
}
static const struct kobj_type xe_tile_sysfs_kobj_type = {
.release = xe_tile_sysfs_kobj_release,
.sysfs_ops = &kobj_sysfs_ops,
};
static void tile_sysfs_fini(struct drm_device *drm, void *arg)
{
struct xe_tile *tile = arg;
kobject_put(tile->sysfs);
}
int xe_tile_sysfs_init(struct xe_tile *tile)
{
struct xe_device *xe = tile_to_xe(tile);
struct device *dev = xe->drm.dev;
struct kobj_tile *kt;
int err;
kt = kzalloc(sizeof(*kt), GFP_KERNEL);
if (!kt)
return -ENOMEM;
kobject_init(&kt->base, &xe_tile_sysfs_kobj_type);
kt->tile = tile;
err = kobject_add(&kt->base, &dev->kobj, "tile%d", tile->id);
if (err) {
kobject_put(&kt->base);
return err;
}
tile->sysfs = &kt->base;
err = xe_vram_freq_sysfs_init(tile);
if (err)
return err;
return drmm_add_action_or_reset(&xe->drm, tile_sysfs_fini, tile);
}