[Bug 96571] [CHV] Backlight init fails on Surface 3 if module load order is wrong

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96571

--- Comment #61 from youling257 <youling257 at gmail.com> ---
CONFIG_I2C_DESIGNWARE_CORE=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_DESIGNWARE_SLAVE=y
CONFIG_I2C_DESIGNWARE_PCI=y
CONFIG_I2C_DESIGNWARE_BAYTRAIL=y
CONFIG_PWM=y
CONFIG_PWM_SYSFS=y
CONFIG_PWM_CRC=y
CONFIG_PWM_LPSS=y
CONFIG_PWM_LPSS_PCI=y
CONFIG_PWM_LPSS_PLATFORM=y

 [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm chip
I see this problem happen again with Linux 5.3rc1 kernel on my BayTrail z3735f
device! can't adjust brightness.

Linux 5.3, what reason?

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