[Intel-gfx] [PATCH 2/9] drm/i915: Name the "iboost bit"

David Weinehall david.weinehall at linux.intel.com
Wed Jul 13 15:31:15 UTC 2016


On Tue, Jul 12, 2016 at 03:59:29PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Give a proper name for the SKL DDI_BUF_TRANS iboost bit.
> 
> Cc: David Weinehall <david.weinehall at linux.intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: David Weinehall <david.weinehall at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_reg.h  | 1 +
>  drivers/gpu/drm/i915/intel_ddi.c | 2 +-
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index e6f9f05b3a4a..ede4cd3531f8 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7483,6 +7483,7 @@ enum {
>  #define _DDI_BUF_TRANS_A		0x64E00
>  #define _DDI_BUF_TRANS_B		0x64E60
>  #define DDI_BUF_TRANS_LO(port, i)	_MMIO(_PORT(port, _DDI_BUF_TRANS_A, _DDI_BUF_TRANS_B) + (i) * 8)
> +#define  DDI_BUF_BALANCE_LEG_ENABLE	(1 << 31)
>  #define DDI_BUF_TRANS_HI(port, i)	_MMIO(_PORT(port, _DDI_BUF_TRANS_A, _DDI_BUF_TRANS_B) + (i) * 8 + 4)
>  
>  /* Sideband Interface (SBI) is programmed indirectly, via
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 75354cd9bbab..78e1fdaec86d 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -434,7 +434,7 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder)
>  		/* If we're boosting the current, set bit 31 of trans1 */
>  		if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level ||
>  		    dev_priv->vbt.ddi_port_info[port].dp_boost_level)
> -			iboost_bit = 1<<31;
> +			iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
>  
>  		if (WARN_ON(encoder->type == INTEL_OUTPUT_EDP &&
>  			    port != PORT_A && port != PORT_E &&
> -- 
> 2.7.4
> 


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