Re: [PATCH] drm/i915/vlv: no MCHBAR on VLV

[Jesse Barnes <jbarnes@virtuousgeek.org>]

Junxiao, can you add you reviewed-by to this patch?

Thanks,
Jesse

On Mon,  3 Mar 2014 14:27:57 -0800
Jesse Barnes <jbarnes@virtuousgeek.org> wrote:

> So don't try to allocate and program it, we're only fooling ourselves.
> 
> Reported-by: "Chang, Junxiao" <junxiao.chang@intel.com>
> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/i915_dma.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 7688abc..22f839b 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -1187,6 +1187,9 @@ intel_setup_mchbar(struct drm_device *dev)
>  	u32 temp;
>  	bool enabled;
>  
> +	if (IS_VALLEYVIEW(dev))
> +		return;
> +
>  	dev_priv->mchbar_need_disable = false;
>  
>  	if (IS_I915G(dev) || IS_I915GM(dev)) {


-- 
Jesse Barnes, Intel Open Source Technology Center