From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH 08/12] drm/i915: HWSTAM is only 16-bit on
 gen3
Date: Wed, 25 Apr 2012 13:50:35 -0700
Message-ID: <20120425135035.7c589f11@jbarnes-desktop>
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To: Chris Wilson <chris@chris-wilson.co.uk>
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On Tue, 24 Apr 2012 22:59:48 +0100
Chris Wilson <chris@chris-wilson.co.uk> wrote:

> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/i915_irq.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 878f1c3..a4e074e 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -2307,7 +2307,7 @@ static void i915_irq_preinstall(struct drm_device * dev)
>  		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
>  	}
>  
> -	I915_WRITE(HWSTAM, 0xeffe);
> +	I915_WRITE16(HWSTAM, 0xeffe);
>  	for_each_pipe(pipe)
>  		I915_WRITE(PIPESTAT(pipe), 0);
>  	I915_WRITE(IMR, 0xffffffff);
> @@ -2505,7 +2505,7 @@ static void i915_irq_uninstall(struct drm_device * dev)
>  		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
>  	}
>  
> -	I915_WRITE(HWSTAM, 0xffffffff);
> +	I915_WRITE16(HWSTAM, 0xffff);
>  	for_each_pipe(pipe)
>  		I915_WRITE(PIPESTAT(pipe), 0);
>  	I915_WRITE(IMR, 0xffffffff);

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center