Re: [RFC 4/5] drm/i915: Enable Intel's HDR backlight interface (only SDR for now)

2020-09-15 Thread Rodrigo Vivi
On Tue, Sep 15, 2020 at 01:29:38PM -0400, Lyude Paul wrote: > So-recently a bunch of laptops on the market have started using DPCD > backlight controls instead of the traditional DDI backlight controls. > Originally we thought we had this handled by adding VESA backlight > control support to i915,

[RFC 4/5] drm/i915: Enable Intel's HDR backlight interface (only SDR for now)

2020-09-15 Thread Lyude Paul
So-recently a bunch of laptops on the market have started using DPCD backlight controls instead of the traditional DDI backlight controls. Originally we thought we had this handled by adding VESA backlight control support to i915, but the story ended up being a lot more complicated then that. Simp