Re: [PATCH v4 1/3] drm: Add panel backlight quirks

2024-08-13 Thread Jani Nikula
On Mon, 12 Aug 2024, Thomas Weißschuh wrote: > Panels using a PWM-controlled backlight source without an do not have a > standard way to communicate their valid PWM ranges. > On x86 the ranges are read from ACPI through driver-specific tables. > The built-in ranges are not necessarily correct, or

[PATCH v4 1/3] drm: Add panel backlight quirks

2024-08-12 Thread Thomas Weißschuh
Panels using a PWM-controlled backlight source without an do not have a standard way to communicate their valid PWM ranges. On x86 the ranges are read from ACPI through driver-specific tables. The built-in ranges are not necessarily correct, or may grow stale if an older device can be retrofitted w