Re: [PATCH 52/62] drm/i915/bdw: Don't wait for c0 threads on forcewake

Jani Nikula
2013-11-04T13:45:48Z

On Sun, 03 Nov 2013, Ben Widawsky <benjamin.widawsky@intel.com> wrote:
> It's no longer a required workaround on BDW.
>
> Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
> [danvet: Move compile fix from a later patch to this one.]
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Reviewed-by: Jani Nikula <jani.nikula@intel.com>

> ---
> drivers/gpu/drm/i915/intel_uncore.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index fa06ce4..727cf30 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -112,7 +112,8 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
> DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
>
> /* WaRsForcewakeWaitTC0:ivb,hsw */
> - __gen6_gt_wait_for_thread_c0(dev_priv);
> + if (INTEL_INFO(dev_priv->dev)->gen < 8)
> + __gen6_gt_wait_for_thread_c0(dev_priv);
> }
>
> static void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv)
> --
> 1.8.4.2
>
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--
Jani Nikula, Intel Open Source Technology Center