On Tue, Apr 17, 2012 at 10:05:38AM +0100, Chris Wilson wrote:
> During modeset we have to disable the pipe to reconfigure its timings
> and maybe its size. Userspace may have queued up command buffers that
> depend upon the pipe running in a certain configuration and so the
> commands may become confused across the modeset. At the moment, we use a
> less than satisfactory kick-scanline-waits should the GPU hang during
> the modeset. It should be more reliable to wait for the pending
> operations to complete first, even though we still have a window for
> userspace to submit a broken command buffer during the modeset.
>
> Signed-off-by: Chris Wilson <[email protected]>
Queued for -next, thanks for the patch.
-Daniel
--
Daniel Vetter
Mail: [email protected]
Mobile: +41 (0)79 365 57 48
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