drm/radeon: add a delay after ATPX dGPU power off

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commit d814b24fb7 upstream.

ATPX dGPU power control requires a 200ms delay between
power off and on.  This should fix dGPU failures on
resume from power off.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Alex Deucher 2016-06-01 12:58:36 -04:00 • committed by Greg Kroah-Hartman

parent 4925cf140f

commit ada3815fab

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/radeon/radeon_atpx_handler.c

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