[Intel-gfx] [PATCH v2 2/3] drm/i915/dp/ehl: Update vswing table for HBR and RBR

[Ville Syrjälä]

On Mon, Mar 30, 2020 at 02:00:43PM -0700, José Roberto de Souza wrote:
> EHL has now only one table for all DP rates.
> 
> BSpec: 21257
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>

1-2 are
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index 053b21c11b0c..dedb86712a98 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -568,7 +568,7 @@ static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi[] = {
>  	{ 0x6, 0x7F, 0x35, 0x00, 0x0A },	/* 600   850      3.0   */
>  };
>  
> -static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_hbr2_hbr3[] = {
> +static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_dp[] = {
>  						/* NT mV Trans mV db    */
>  	{ 0xA, 0x33, 0x3F, 0x00, 0x00 },	/* 350   350      0.0   */
>  	{ 0xA, 0x47, 0x36, 0x00, 0x09 },	/* 350   500      3.1   */
> @@ -947,10 +947,9 @@ static const struct cnl_ddi_buf_trans *
>  ehl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate,
>  			int *n_entries)
>  {
> -	if (type != INTEL_OUTPUT_HDMI && type != INTEL_OUTPUT_EDP &&
> -	    rate > 270000) {
> -		*n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_hbr2_hbr3);
> -		return ehl_combo_phy_ddi_translations_hbr2_hbr3;
> +	if (type != INTEL_OUTPUT_HDMI && type != INTEL_OUTPUT_EDP) {
> +		*n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_dp);
> +		return ehl_combo_phy_ddi_translations_dp;
>  	}
>  
>  	return icl_get_combo_buf_trans(dev_priv, type, rate, n_entries);
> -- 
> 2.26.0
> 
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-- 
Ville Syrjälä
Intel