drm/radeon/atpx: check for ATIF dGPU wake for display events support

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Some ATPX laptops implement special circuitry to generate
display hotplug events via ACPI when the dGPU is powered off.
Check if this is supported.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2016-09-14 14:14:55 -04:00

parent 1b0f568d24

commit 4777166989

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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