Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-22 Thread Alex Deucher
On Sun, Mar 21, 2021 at 8:12 PM Evan Benn wrote: > > On Sat, Mar 20, 2021 at 8:36 AM Alex Deucher wrote: > > > > On Fri, Mar 19, 2021 at 5:31 PM Evan Benn wrote: > > > > > > On Sat, 20 Mar 2021 at 02:10, Harry Wentland > > > wrote: > > > > On 2021-03-19 10:22 a.m., Alex Deucher wrote: > > > >

Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-21 Thread Evan Benn
On Sat, Mar 20, 2021 at 8:36 AM Alex Deucher wrote: > > On Fri, Mar 19, 2021 at 5:31 PM Evan Benn wrote: > > > > On Sat, 20 Mar 2021 at 02:10, Harry Wentland wrote: > > > On 2021-03-19 10:22 a.m., Alex Deucher wrote: > > > > On Fri, Mar 19, 2021 at 3:23 AM Evan Benn wrote: > > > >> > > > >> AMD

Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-19 Thread Alex Deucher
On Fri, Mar 19, 2021 at 5:31 PM Evan Benn wrote: > > On Sat, 20 Mar 2021 at 02:10, Harry Wentland wrote: > > On 2021-03-19 10:22 a.m., Alex Deucher wrote: > > > On Fri, Mar 19, 2021 at 3:23 AM Evan Benn wrote: > > >> > > >> AMDGPU_DM_DEFAULT_MIN_BACKLIGHT was set to the value of 12 > > >> to ens

Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-19 Thread Evan Benn
On Sat, 20 Mar 2021 at 02:10, Harry Wentland wrote: > On 2021-03-19 10:22 a.m., Alex Deucher wrote: > > On Fri, Mar 19, 2021 at 3:23 AM Evan Benn wrote: > >> > >> AMDGPU_DM_DEFAULT_MIN_BACKLIGHT was set to the value of 12 > >> to ensure no display backlight will flicker at low user brightness > >

Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-19 Thread Harry Wentland
On 2021-03-19 10:22 a.m., Alex Deucher wrote: On Fri, Mar 19, 2021 at 3:23 AM Evan Benn wrote: AMDGPU_DM_DEFAULT_MIN_BACKLIGHT was set to the value of 12 to ensure no display backlight will flicker at low user brightness settings. However this value is quite bright, so for devices that do n

Re: [PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-19 Thread Alex Deucher
On Fri, Mar 19, 2021 at 3:23 AM Evan Benn wrote: > > AMDGPU_DM_DEFAULT_MIN_BACKLIGHT was set to the value of 12 > to ensure no display backlight will flicker at low user brightness > settings. However this value is quite bright, so for devices that do not > implement the ACPI ATIF > ATIF_FUNCTION_

[PATCH] drm/amd/display: Set AMDGPU_DM_DEFAULT_MIN_BACKLIGHT to 0

2021-03-18 Thread Evan Benn
AMDGPU_DM_DEFAULT_MIN_BACKLIGHT was set to the value of 12 to ensure no display backlight will flicker at low user brightness settings. However this value is quite bright, so for devices that do not implement the ACPI ATIF ATIF_FUNCTION_QUERY_BRIGHTNESS_TRANSFER_CHARACTERISTICS functionality the us