[Intel-gfx] [PATCH 05/43] drm/i915: Parametrize FBC_TAG registers

[Jani Nikula]

On Fri, 18 Sep 2015, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>


> ---
>  drivers/gpu/drm/i915/i915_reg.h  | 2 +-
>  drivers/gpu/drm/i915/intel_fbc.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index b1cf17a..fcd1e81 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -2013,7 +2013,7 @@ enum skl_disp_power_wells {
>  #define   FBC_CTL_CPU_FENCE	(1<<1)
>  #define   FBC_CTL_PLANE(plane)	((plane)<<0)
>  #define FBC_FENCE_OFF		0x03218 /* BSpec typo has 321Bh */
> -#define FBC_TAG			0x03300
> +#define FBC_TAG(i)		(0x03300 + (i) * 4)
>  
>  #define FBC_STATUS2		0x43214
>  #define  FBC_COMPRESSION_MASK	0x7ff
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index 1f97fb5..f8c527f 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -88,7 +88,7 @@ static void i8xx_fbc_enable(struct intel_crtc *crtc)
>  
>  	/* Clear old tags */
>  	for (i = 0; i < (FBC_LL_SIZE / 32) + 1; i++)
> -		I915_WRITE(FBC_TAG + (i * 4), 0);
> +		I915_WRITE(FBC_TAG(i), 0);
>  
>  	if (IS_GEN4(dev_priv)) {
>  		u32 fbc_ctl2;
> -- 
> 2.4.6
>
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-- 
Jani Nikula, Intel Open Source Technology Center