drm/amd/display: Detect dynamic backlight support in eDP sink
authorRoy Chan <roy.chan@amd.com>
Fri, 30 Oct 2020 22:00:02 +0000 (18:00 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 16 Nov 2020 17:19:17 +0000 (12:19 -0500)
commit65e870dfa6741e0c1199946faa4a1113bfb23916
tree4e0df38fac0ba4d349139a0bdec19fee25f1e74d
parent786b4061742be1b494f1ca046c385717e6aa4434
drm/amd/display: Detect dynamic backlight support in eDP sink

[Why]
Check if the eDP sink supports the dynamic backlight control

[How]
Query the dynamic backlight capability in DPCD (eDP case only)

Signed-off-by: Roy Chan <roy.chan@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
drivers/gpu/drm/amd/display/dc/dc.h