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(parent: cf0ee97) | patch
drm/radeon: don't probe MST on hw we don't support it on
authorDave Airlie <airlied@redhat.com>
Thu, 18 Jun 2015 04:29:18 +0000 (14:29 +1000)
committerChristian König <christian.koenig@amd.com>
Thu, 18 Jun 2015 18:36:56 +0000 (20:36 +0200)
commit0ee1ccd55df04e73271c1e5200536e55b2dea558
tree760f4476788856c7f20fcafc14a1d12db2761f91tree | snapshot
parentcf0ee97b15e075f4d94a01ac3b208bc54761a1a2commit | diff
drm/radeon: don't probe MST on hw we don't support it on

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>
drivers/gpu/drm/radeon/radeon_dp_mst.c diff | blob | history
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