[Intel-gfx] [PATCH] drm/i915: Check whether the output is running after completing the modeswitch

[Eric Anholt]

On Tue, 29 Mar 2011 14:43:46 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> Proof-of-concept sanity check to see if we did successfully enable the
> pipe. Without a means of report back the error and forcibly reverting back
> to the previous configuration, the error message is a little useless.

I still like it -- it's something that could be watched for in testing,
at least.  Did you find that some failures to successfully program modes
not incrementing scanlines?
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