Re: [Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-14 Thread Hogander, Jouni
On Wed, 2022-04-13 at 17:08 -0400, Lyude Paul wrote: > On Wed, 2022-04-13 at 08:31 +, Hogander, Jouni wrote: > > Hello Lyude, > > > > See my respose below. > > > > On Tue, 2022-04-12 at 13:50 -0400, Lyude Paul wrote: > > > On Tue, 2022-04-12 at 08:25 +0300, Jouni Högander wrote: > > > > We

Re: [Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-13 Thread Lyude Paul
On Wed, 2022-04-13 at 08:31 +, Hogander, Jouni wrote: > Hello Lyude, > > See my respose below. > > On Tue, 2022-04-12 at 13:50 -0400, Lyude Paul wrote: > > On Tue, 2022-04-12 at 08:25 +0300, Jouni Högander wrote: > > > We have now seen panel (XMG Core 15 e21 laptop) avertizing support > > >

Re: [Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-13 Thread Hogander, Jouni
Hello Lyude, See my respose below. On Tue, 2022-04-12 at 13:50 -0400, Lyude Paul wrote: > On Tue, 2022-04-12 at 08:25 +0300, Jouni Högander wrote: > > We have now seen panel (XMG Core 15 e21 laptop) avertizing support > > for Intel proprietary eDP backlight control via DPCD registers, but > >

Re: [Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-12 Thread Lyude Paul
On Tue, 2022-04-12 at 08:25 +0300, Jouni Högander wrote: > We have now seen panel (XMG Core 15 e21 laptop) avertizing support > for Intel proprietary eDP backlight control via DPCD registers, but > actually working only with legacy pwm control. > > This patch adds panel EDID check for possible

Re: [Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-12 Thread Jani Nikula
On Tue, 12 Apr 2022, Jouni Högander wrote: > We have now seen panel (XMG Core 15 e21 laptop) avertizing support > for Intel proprietary eDP backlight control via DPCD registers, but > actually working only with legacy pwm control. > > This patch adds panel EDID check for possible HDR static

[Intel-gfx] [PATCH] drm/i915: Check EDID before dpcd for possible HDR aux bl support

2022-04-11 Thread Jouni Högander
We have now seen panel (XMG Core 15 e21 laptop) avertizing support for Intel proprietary eDP backlight control via DPCD registers, but actually working only with legacy pwm control. This patch adds panel EDID check for possible HDR static metadata and does detection from DPCD registers only if