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

2022-10-24 Thread Ville Syrjälä
On Mon, Oct 24, 2022 at 01:47:56PM +, Lee, Shawn C wrote: > > On Monday, October 24, 2022 9:17 PM, Ville Syrjälä > wrote: > >On Mon, Oct 24, 2022 at 02:40:04PM +0800, Lee Shawn C wrote: > >> Driver always apply panel power off cycle delay before eDP enable. > >> If eDP display was enabled

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

2022-10-24 Thread Lee, Shawn C
On Monday, October 24, 2022 9:17 PM, Ville Syrjälä wrote: >On Mon, Oct 24, 2022 at 02:40:04PM +0800, Lee Shawn C wrote: >> Driver always apply panel power off cycle delay before eDP enable. >> If eDP display was enabled at pre-os stage, driver would always >> trigger modeset to optimize cdclk

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

2022-10-24 Thread Ville Syrjälä
On Mon, Oct 24, 2022 at 02:40:04PM +0800, Lee Shawn C wrote: > Driver always apply panel power off cycle delay before eDP enable. > If eDP display was enabled at pre-os stage, driver would always > trigger modeset to optimize cdclk setting after boot into kernel. > So last_power_on and

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

2022-10-24 Thread Lee Shawn C
Driver always apply panel power off cycle delay before eDP enable. If eDP display was enabled at pre-os stage, driver would always trigger modeset to optimize cdclk setting after boot into kernel. So last_power_on and last_backlight_off value will be updated. We can check last_power_on and