On Fri, Mar 14, 2014 at 05:21:36PM -0700, Ben Widawsky wrote:
> Broken by:
> commit 0294ae7b44bba7ab0d4cef9a8736287f38bdb4fd
> Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Date: Thu Mar 13 12:00:29 2014 +0000
>
> drm/i915: Consolidate forcewake resetting to a single function
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_uncore.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index e6bb421..7e55ceb 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -362,6 +362,9 @@ void intel_uncore_early_sanitize(struct drm_device *dev)
> {
> struct drm_i915_private *dev_priv = dev->dev_private;
>
> + setup_timer(&dev_priv->uncore.force_wake_timer,
> + gen6_force_wake_timer, (unsigned long)dev_priv);
We call early_sanitize also from our resume code, so this will now
re-setup the timer again. We generally don't do that since if we ever leak
the timer to here in an enabled state it causes havoc.
-Daniel
> +
> if (HAS_FPGA_DBG_UNCLAIMED(dev))
> __raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
>
> @@ -724,9 +727,6 @@ void intel_uncore_init(struct drm_device *dev)
> {
> struct drm_i915_private *dev_priv = dev->dev_private;
>
> - setup_timer(&dev_priv->uncore.force_wake_timer,
> - gen6_force_wake_timer, (unsigned long)dev_priv);
> -
> if (IS_VALLEYVIEW(dev)) {
> dev_priv->uncore.funcs.force_wake_get = __vlv_force_wake_get;
> dev_priv->uncore.funcs.force_wake_put = __vlv_force_wake_put;
> --
> 1.9.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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