Re: [Intel-gfx] [v4] drm/i915/pps: improve eDP power on flow

2022-11-16 Thread Lee, Shawn C
On Wednesday, November 16, 2022 11:45 PM, Jani Nikula wrote: >On Mon, 14 Nov 2022, Lee Shawn C wrote: >> After i915 dirver initialized, a panel power off cycle delay always >> append before turn eDP on. If eDP display did not power on before. >> With this change, power off duration might longe

Re: [Intel-gfx] [v4] drm/i915/pps: improve eDP power on flow

2022-11-16 Thread Jani Nikula
On Mon, 14 Nov 2022, Lee Shawn C wrote: > After i915 dirver initialized, a panel power off cycle delay > always append before turn eDP on. If eDP display did not > power on before. With this change, power off duration might > longer than power cycle delay. So driver can save power cycle > delay to

[Intel-gfx] [v4] drm/i915/pps: improve eDP power on flow

2022-11-13 Thread Lee Shawn C
After i915 dirver initialized, a panel power off cycle delay always append before turn eDP on. If eDP display did not power on before. With this change, power off duration might longer than power cycle delay. So driver can save power cycle delay to speed up driver initialization time. v2: fix comm