drm/amd/display: Check power_down functions exist before calling

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[WHY]
The power_down() function was only defined for specific asics and will
crash the system if it is called by an asic with eDP connected that does
not have it defined.

[HOW]
Add a check for the function's existence before calling it.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Sung Lee 2020-04-05 16:40:48 -04:00 • committed by Alex Deucher

parent c97c8d77b1

commit d5e27f0728

1 changed files with 5 additions and 2 deletions

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7

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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