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

2015-06-19 Thread Dave Airlie
On 18 June 2015 at 23:12, Christian König wrote: > On 18.06.2015 10:31, Dave Airlie wrote: >> >> On 18 June 2015 at 17:39, Christian König >> wrote: >>> >>> On 18.06.2015 06:29, Dave Airlie wrote: From: Dave Airlie If you do radeon.mst=1 on a gpu without mst hw, and then >

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

2015-06-18 Thread Dave Airlie
On 18 June 2015 at 17:39, Christian König wrote: > On 18.06.2015 06:29, Dave Airlie wrote: >> >> From: Dave Airlie >> >> 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. >> >

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

2015-06-18 Thread Christian König
On 18.06.2015 10:31, Dave Airlie wrote: > On 18 June 2015 at 17:39, Christian König wrote: >> On 18.06.2015 06:29, Dave Airlie wrote: >>> From: Dave Airlie >>> >>> 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

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

2015-06-18 Thread Dave Airlie
From: Dave Airlie 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 --- drivers/gpu/drm/radeon/radeon_dp_mst.c | 5 + 1 file changed, 5 insertions(+)

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

2015-06-18 Thread Christian König
On 18.06.2015 06:29, Dave Airlie wrote: > From: Dave Airlie > > 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 Reviewed-by: Christian König B