[Intel-gfx] [PATCH 02/29] drm/i915: Shrink bxt_ddi_buf_trans

Jani Nikula jani.nikula at linux.intel.com
Mon Sep 18 18:54:13 UTC 2017


On Mon, 18 Sep 2017, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> All the values we put into the BXT buf_trans tables fit into 8 bits.
> So switch over to u8 from the u32 we use currently.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 797008033089..5c709985904e 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -301,10 +301,10 @@ static const struct ddi_buf_trans skl_y_ddi_translations_hdmi[] = {
>  };
>  
>  struct bxt_ddi_buf_trans {
> -	u32 margin;	/* swing value */
> -	u32 scale;	/* scale value */
> -	u32 enable;	/* scale enable */
> -	u32 deemphasis;
> +	u8 margin;	/* swing value */
> +	u8 scale;	/* scale value */
> +	u8 enable;	/* scale enable */
> +	u8 deemphasis;
>  	bool default_index; /* true if the entry represents default value */
>  };

-- 
Jani Nikula, Intel Open Source Technology Center


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