Re: [PATCH] drm/i915: initialize uncore->lock in uncore_init

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Quoting Daniele Ceraolo Spurio (2019-04-01 21:14:11)
> Now that all the uncore management is hidden under the uncore struct,
> move the lock initialization under the uncore_init as well for better
> encapsulation.
> 
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_drv.c     | 1 -
>  drivers/gpu/drm/i915/intel_uncore.c | 2 ++
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 0ca57dc5da5c..667177b7d821 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -873,7 +873,6 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv)
>         spin_lock_init(&dev_priv->irq_lock);
>         spin_lock_init(&dev_priv->gpu_error.lock);
>         mutex_init(&dev_priv->backlight_lock);
> -       spin_lock_init(&dev_priv->uncore.lock);
>  
>         mutex_init(&dev_priv->sb_lock);
>         mutex_init(&dev_priv->av_mutex);
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 106df24f20a5..250496f792e5 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -1530,6 +1530,8 @@ int intel_uncore_init(struct intel_uncore *uncore)
>         struct drm_i915_private *i915 = uncore_to_i915(uncore);
>         int ret;
>  
> +       spin_lock_init(&uncore->lock);

Be consistent and make an init_early(). And while you are here this
should be called intel_uncore_init_mmio().

Eventually we will have the phases annotated.
-Chris
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