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

2021-03-22 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, M

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

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

2021-03-19 Thread Evan Benn
user cannot set the brightness to a low level even if the display would support such a low PWM. This ATIF feature is not implemented on for example AMD grunt chromebooks. Signed-off-by: Evan Benn --- I could not find a justification for the reason for the value. It has caused some noticable