Commit ae676fcd authored Oct 15, 2013 by Damien Lespiau Committed by Daniel Vetter Oct 16, 2013

drm/i915: Enforce going back to none before changing CRC source



This way we can have some init/fini code on those transitions.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent cc3da175

drivers/gpu/drm/i915/i915_debugfs.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1816,6 +1816,10 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
		if (pipe_crc->source == source)
		return 0;

		/* forbid changing the source without going back to 'none' */
		if (pipe_crc->source && source)
		return -EINVAL;

		pipe_crc->source = source;

		switch (source) {