drm/radeon: bail early from enable ss in certain cases
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 15 Jan 2014 18:59:47 +0000 (13:59 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 20 Jan 2014 23:20:53 +0000 (18:20 -0500)
commitc4756baa4a8ba75b812506818cbc81178650d3c1
tree828cb889199078837ecfcd44b4a782b5178a3340
parent18f8f52b9a8c293111c058f9d25bcd5e718b80b2
drm/radeon: bail early from enable ss in certain cases

If the ss percentage is 0 or we are using external ss,
just bail when enabling ss.  We disable it explicitly
earlier in the modeset already.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/atombios_crtc.c