drm/radeon: validate PPLL in crtc fixup
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Sep 2012 16:30:51 +0000 (12:30 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Sep 2012 14:22:40 +0000 (10:22 -0400)
This allows us to bail if we can't support the requested
setup from a PPLL perspective.  Prevents broken setups
from being attempted.

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

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