[Intel-gfx] [PATCH v2 2/3] drm/i915: Increase the range of sideband address.

Ville Syrjälä ville.syrjala at linux.intel.com
Fri Jan 16 09:11:15 PST 2015


On Fri, Jan 16, 2015 at 08:42:17PM +0530, deepak.s at linux.intel.com wrote:
> From: Deepak S <deepak.s at linux.intel.com>
> 
> Looks like latest BSW/CHV production system has sideband address > 128.
> Use u32 data types to cover new offset/address range :)
> 
> Signed-off-by: Deepak S <deepak.s at linux.intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_drv.h       | 4 ++--
>  drivers/gpu/drm/i915/intel_sideband.c | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index ab1fa9e..272088c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -3130,8 +3130,8 @@ int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val
>  int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val);
>  
>  /* intel_sideband.c */
> -u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr);
> -void vlv_punit_write(struct drm_i915_private *dev_priv, u8 addr, u32 val);
> +u32 vlv_punit_read(struct drm_i915_private *dev_priv, u32 addr);
> +void vlv_punit_write(struct drm_i915_private *dev_priv, u32 addr, u32 val);
>  u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr);
>  u32 vlv_gpio_nc_read(struct drm_i915_private *dev_priv, u32 reg);
>  void vlv_gpio_nc_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
> diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
> index 01d841e..3c42eef 100644
> --- a/drivers/gpu/drm/i915/intel_sideband.c
> +++ b/drivers/gpu/drm/i915/intel_sideband.c
> @@ -75,7 +75,7 @@ static int vlv_sideband_rw(struct drm_i915_private *dev_priv, u32 devfn,
>  	return 0;
>  }
>  
> -u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr)
> +u32 vlv_punit_read(struct drm_i915_private *dev_priv, u32 addr)
>  {
>  	u32 val = 0;
>  
> @@ -89,7 +89,7 @@ u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr)
>  	return val;
>  }
>  
> -void vlv_punit_write(struct drm_i915_private *dev_priv, u8 addr, u32 val)
> +void vlv_punit_write(struct drm_i915_private *dev_priv, u32 addr, u32 val)
>  {
>  	WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
>  
> -- 
> 1.9.1

-- 
Ville Syrjälä
Intel OTC


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