drm/atomic-helper: Reject attempts at re-stealing encoders

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This can happen when we run out of encoders for a multi-crtc modeset,
or also when userspace is silly and tries to clone multiple connectors
that need the same encoder on the same crtc.

Reported-and-Tested-and-Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449136154-11588-1-git-send-email-daniel.vetter@ffwll.ch

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Daniel Vetter 2015-12-03 10:49:14 +01:00

parent 1494276000

commit 97ac3204ab

1 changed files with 28 additions and 0 deletions

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drivers/gpu/drm/drm_atomic_helper.c

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