drm/radeon: don't probe MST on hw we don't support it on

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If you do radeon.mst=1 on a gpu without mst hw, and then
plug some mst hw it will oops instead of falling back.

So check we have DCE5 at least before proceeding.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Christian König <christian.koenig@amd.com>

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Dave Airlie 2015-06-18 14:29:18 +10:00 • committed by Christian König

parent 3bc980bf19

commit 7f017e5677

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/radeon/radeon_dp_mst.c

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