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Subject: Re: [PATCH v10 2/2] drm: add kms driver for loongson display
 controller
To:     Emil Velikov <emil.l.velikov@gmail.com>
Cc:     Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Christian Koenig <christian.koenig@amd.com>,
        linaro-mm-sig@lists.linaro.org, Li Yi <liyi@loongson.cn>,
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From:   Sui Jingfeng <15330273260@189.cn>
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Hi,

On 2023/4/4 22:10, Emil Velikov wrote:
>> --- /dev/null
>> +++ b/drivers/gpu/drm/loongson/lsdc_debugfs.c
>> +void lsdc_debugfs_init(struct drm_minor *minor)
>> +{
>> +#ifdef CONFIG_DEBUG_FS
>> +       drm_debugfs_create_files(lsdc_debugfs_list,
>> +                                ARRAY_SIZE(lsdc_debugfs_list),
>> +                                minor->debugfs_root,
>> +                                minor);
>> +#endif
>> +}
> Should probably build the file when debugfs is enabled and provide
> no-op stub in the header. See nouveau for an example.
>
>
It seem that the drm core already done this for us, are we really need 
those #ifdef guard anymore?

I remove all of the  #ifdef CONFIG_DEBUG_FS in my program and disable 
the debugfs option in menuconfig

my driver compile without any error.