Re: [Intel-gfx] [PATCH v2 08/11] drm/i915: Split TGL combo PHY buf trans per output type

Imre Deak
2020-09-30T15:29:33Z

On Wed, Sep 30, 2020 at 02:34:46AM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Make the mess inside the buf trans funcs a bit more manageable by
> splitting along the lines of output type.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Imre Deak <imre.deak@intel.com>

> ---
> drivers/gpu/drm/i915/display/intel_ddi.c | 83 ++++++++++++++----------
> 1 file changed, 49 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index da7090803ea1..fea06c1b09d9 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -1157,51 +1157,66 @@ ehl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate,
> }
>
> static const struct cnl_ddi_buf_trans *
> -tgl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate,
> - int *n_entries)
> +tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate,
> + int *n_entries)
> +{
> + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi);
> + return icl_combo_phy_ddi_translations_hdmi;
> +}
> +
> +static const struct cnl_ddi_buf_trans *
> +tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder, int type, int rate,
> + int *n_entries)
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>
> - switch (type) {
> - case INTEL_OUTPUT_HDMI:
> - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi);
> - return icl_combo_phy_ddi_translations_hdmi;
> - case INTEL_OUTPUT_EDP:
> - if (dev_priv->vbt.edp.hobl) {
> - struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> -
> - if (!intel_dp->hobl_failed && rate <= 540000) {
> - /* Same table applies to TGL, RKL and DG1 */
> - *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_edp_hbr2_hobl);
> - return tgl_combo_phy_ddi_translations_edp_hbr2_hobl;
> - }
> - }
> -
> - if (rate > 540000) {
> - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3);
> - return icl_combo_phy_ddi_translations_edp_hbr3;
> - } else if (dev_priv->vbt.edp.low_vswing) {
> - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2);
> - return icl_combo_phy_ddi_translations_edp_hbr2;
> - }
> - /* fall through */
> - default:
> - /* All combo DP and eDP ports that do not support low_vswing */
> - if (rate > 270000) {
> - if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
> - *n_entries = ARRAY_SIZE(tgl_uy_combo_phy_ddi_translations_dp_hbr2);
> - return tgl_uy_combo_phy_ddi_translations_dp_hbr2;
> - }
> -
> + if (rate > 270000) {
> + if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
> + *n_entries = ARRAY_SIZE(tgl_uy_combo_phy_ddi_translations_dp_hbr2);
> + return tgl_uy_combo_phy_ddi_translations_dp_hbr2;
> + } else {
> *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr2);
> return tgl_combo_phy_ddi_translations_dp_hbr2;
> }
> -
> + } else {
> *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr);
> return tgl_combo_phy_ddi_translations_dp_hbr;
> }
> }
>
> +static const struct cnl_ddi_buf_trans *
> +tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder, int type, int rate,
> + int *n_entries)
> +{
> + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> +
> + if (rate > 540000) {
> + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3);
> + return icl_combo_phy_ddi_translations_edp_hbr3;
> + } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) {
> + *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_edp_hbr2_hobl);
> + return tgl_combo_phy_ddi_translations_edp_hbr2_hobl;
> + } else if (dev_priv->vbt.edp.low_vswing) {
> + *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2);
> + return icl_combo_phy_ddi_translations_edp_hbr2;
> + }
> +
> + return tgl_get_combo_buf_trans_dp(encoder, type, rate, n_entries);
> +}
> +
> +static const struct cnl_ddi_buf_trans *
> +tgl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate,
> + int *n_entries)
> +{
> + if (type == INTEL_OUTPUT_HDMI)
> + return tgl_get_combo_buf_trans_hdmi(encoder, type, rate, n_entries);
> + else if (type == INTEL_OUTPUT_EDP)
> + return tgl_get_combo_buf_trans_edp(encoder, type, rate, n_entries);
> + else
> + return tgl_get_combo_buf_trans_dp(encoder, type, rate, n_entries);
> +}
> +
> static const struct tgl_dkl_phy_ddi_buf_trans *
> tgl_get_dkl_buf_trans(struct intel_encoder *encoder, int type, int rate,
> int *n_entries)
> --
> 2.26.2
>
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