On Sat, Aug 25, 2012 at 12:16:24AM +0200, Sedat Dilek wrote:
> This is a fixup patch for the merge of drm-next into linux-next caused
> by commit b6c7488df68a ("drm/i915/contexts: fix list corruption").
>
> Reported-By: Stephen Rothwell <sfr at canb.auug.org.au>
> Signed-off-by: Sedat Dilek <sedat.dilek at gmail.com>
This is wrong, switch_context _must_ happen before ring_idle, otherwise
all hell can break loose on resume.
-Daniel
> ---
> drivers/gpu/drm/i915/i915_gem.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 4f6841d..e8a5cb2 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2273,11 +2273,11 @@ int i915_gpu_idle(struct drm_device *dev)
>
> /* Flush everything onto the inactive list. */
> for_each_ring(ring, dev_priv, i) {
> - ret = i915_switch_context(ring, NULL, DEFAULT_CONTEXT_ID);
> + ret = i915_ring_idle(ring);
> if (ret)
> return ret;
>
> - ret = i915_ring_idle(ring);
> + ret = i915_switch_context(ring, NULL, DEFAULT_CONTEXT_ID);
> if (ret)
> return ret;
>
> --
> 1.7.9.5
>
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--
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48
