[PATCH] drm/i915: rip out intel_dpio_write again

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On Wed,  2 May 2012 11:06:23 +0200
Daniel Vetter <daniel.vetter at ffwll.ch> wrote:

> Unfortunately it looks like further vlv patches are still stalled due
> to fried hw, and too many people are a bit annoyed about the unused
> function warning.

It is my preference that you never merge code which you know will
produce a warning. I still stand by adding a __used for intermediate
patches.

> 
> So let's just rip it out, we can easily put it back in again.
> 
> Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
>  drivers/gpu/drm/i915/intel_display.c |   22 ----------------------
>  1 file changed, 22 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e1716be..045f545 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -384,28 +384,6 @@ out_unlock:
>  	return val;
>  }
>  
> -static void intel_dpio_write(struct drm_i915_private *dev_priv, int reg,
> -			     u32 val)
> -{
> -	unsigned long flags;
> -
> -	spin_lock_irqsave(&dev_priv->dpio_lock, flags);
> -	if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
> -		DRM_ERROR("DPIO idle wait timed out\n");
> -		goto out_unlock;
> -	}
> -
> -	I915_WRITE(DPIO_DATA, val);
> -	I915_WRITE(DPIO_REG, reg);
> -	I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_WRITE | DPIO_PORTID |
> -		   DPIO_BYTE);
> -	if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100))
> -		DRM_ERROR("DPIO write wait timed out\n");
> -
> -out_unlock:
> -	spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
> -}
> -
>  static void vlv_init_dpio(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;



-- 
Ben Widawsky, Intel Open Source Technology Center


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