drm/amd/display: change hw sequence
authorSherry <Yao.Wang1@amd.com>
Tue, 10 Nov 2020 16:34:22 +0000 (00:34 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 24 Nov 2020 17:07:52 +0000 (12:07 -0500)
commit014427adc5565a0b46fd3ef6719167a31f04d764
tree21c9b276727354fa6990824ab22e6ac368b19b03
parent2208f39c750972ad3796b4353ccf9f7c8636931c
drm/amd/display: change hw sequence

[Why]
t9 delay func is called twice after setting power off, the unexpected
action results in a doubling of the added 140ms t9 delay

[How]
If the backlight has been turned off, does not turn it off again

Signed-off-by: Sherry <Yao.Wang1@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c