On Tue, 08 Jun 2021, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Give RKL its own get_buf_trans() func.
>
> v2: Drop the FIXME since the spec was clarified to
> indicate that TGL values are used for the HDMI/eDP cases.
>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> #v1
Holds for v2.
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> .../drm/i915/display/intel_ddi_buf_trans.c | 62 +++++++++++++++----
> 1 file changed, 51 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> index ef9622ecf390..fcb67deb46dd 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> @@ -1497,10 +1497,7 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
>
> if (crtc_state->port_clock > 270000) {
> - if (IS_ROCKETLAKE(dev_priv)) {
> - return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr2_hbr3,
> - n_entries);
> - } else if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
> + if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
> return intel_get_buf_trans(&tgl_uy_combo_phy_ddi_translations_dp_hbr2,
> n_entries);
> } else {
> @@ -1508,13 +1505,8 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
> n_entries);
> }
> } else {
> - if (IS_ROCKETLAKE(dev_priv)) {
> - return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr,
> - n_entries);
> - } else {
> - return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr,
> - n_entries);
> - }
> + return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr,
> + n_entries);
> }
> }
>
> @@ -1553,6 +1545,52 @@ tgl_get_combo_buf_trans(struct intel_encoder *encoder,
> return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
> }
>
> +static const struct intel_ddi_buf_trans *
> +rkl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
> + const struct intel_crtc_state *crtc_state,
> + int *n_entries)
> +{
> + if (crtc_state->port_clock > 270000)
> + return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries);
> + else
> + return intel_get_buf_trans(&rkl_combo_phy_ddi_translations_dp_hbr, n_entries);
> +}
> +
> +static const struct intel_ddi_buf_trans *
> +rkl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
> + const struct intel_crtc_state *crtc_state,
> + 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 (crtc_state->port_clock > 540000) {
> + return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr3,
> + n_entries);
> + } else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed) {
> + return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
> + n_entries);
> + } else if (dev_priv->vbt.edp.low_vswing) {
> + return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
> + n_entries);
> + }
> +
> + return rkl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
> +}
> +
> +static const struct intel_ddi_buf_trans *
> +rkl_get_combo_buf_trans(struct intel_encoder *encoder,
> + const struct intel_crtc_state *crtc_state,
> + int *n_entries)
> +{
> + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
> + return tgl_get_combo_buf_trans_hdmi(encoder, crtc_state, n_entries);
> + else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
> + return rkl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
> + else
> + return rkl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
> +}
> +
> static const struct intel_ddi_buf_trans *
> tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder,
> const struct intel_crtc_state *crtc_state,
> @@ -1642,6 +1680,8 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
> encoder->get_buf_trans = tgl_get_combo_buf_trans;
> else
> encoder->get_buf_trans = adlp_get_dkl_buf_trans;
> + } else if (IS_ROCKETLAKE(i915)) {
> + encoder->get_buf_trans = rkl_get_combo_buf_trans;
> } else if (DISPLAY_VER(i915) >= 12) {
> if (intel_phy_is_combo(i915, phy))
> encoder->get_buf_trans = tgl_get_combo_buf_trans;
--
Jani Nikula, Intel Open Source Graphics Center
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