On Tue, 08 Jun 2021, Ville Syrjala <[email protected]> wrote:
> From: Ville Syrjälä <[email protected]>
>
> adls is supposed to use special buf trans tables. Add what's
> missing.
>
> v2: Drop the RBR/HBR table since it's the same as for tgl
>
> Signed-off-by: Ville Syrjälä <[email protected]>

Pedantically reviewed every value,

Reviewed-by: Jani Nikula <[email protected]>


> ---
>  .../drm/i915/display/intel_ddi_buf_trans.c    | 101 ++++++++++++++++++
>  1 file changed, 101 insertions(+)
>
> 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 a456823df102..63b1ae830d9a 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> @@ -1000,6 +1000,63 @@ static const struct intel_ddi_buf_trans 
> rkl_combo_phy_ddi_translations_dp_hbr2_h
>       .num_entries = ARRAY_SIZE(_rkl_combo_phy_ddi_translations_dp_hbr2_hbr3),
>  };
>  
> +static const union intel_ddi_buf_trans_entry 
> _adls_combo_phy_ddi_translations_dp_hbr2_hbr3[] = {
> +                                                     /* NT mV Trans mV db    
> */
> +     { .cnl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } },     /* 350   350      0.0   
> */
> +     { .cnl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } },     /* 350   500      3.1   
> */
> +     { .cnl = { 0xC, 0x63, 0x30, 0x00, 0x0F } },     /* 350   700      6.0   
> */
> +     { .cnl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } },     /* 350   900      8.2   
> */
> +     { .cnl = { 0xA, 0x47, 0x3F, 0x00, 0x00 } },     /* 500   500      0.0   
> */
> +     { .cnl = { 0xC, 0x63, 0x37, 0x00, 0x08 } },     /* 500   700      2.9   
> */
> +     { .cnl = { 0x6, 0x7F, 0x31, 0x00, 0x0E } },     /* 500   900      5.1   
> */
> +     { .cnl = { 0xC, 0x61, 0x3C, 0x00, 0x03 } },     /* 650   700      0.6   
> */
> +     { .cnl = { 0x6, 0x7B, 0x35, 0x00, 0x0A } },     /* 600   900      3.5   
> */
> +     { .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },     /* 900   900      0.0   
> */
> +};
> +
> +static const struct intel_ddi_buf_trans 
> adls_combo_phy_ddi_translations_dp_hbr2_hbr3 = {
> +     .entries = _adls_combo_phy_ddi_translations_dp_hbr2_hbr3,
> +     .num_entries = 
> ARRAY_SIZE(_adls_combo_phy_ddi_translations_dp_hbr2_hbr3),
> +};
> +
> +static const union intel_ddi_buf_trans_entry 
> _adls_combo_phy_ddi_translations_edp_hbr2[] = {
> +                                                     /* NT mV Trans mV db    
> */
> +     { .cnl = { 0x9, 0x70, 0x3C, 0x00, 0x03 } },     /* 200   200      0.0   
> */
> +     { .cnl = { 0x9, 0x6D, 0x3A, 0x00, 0x05 } },     /* 200   250      1.9   
> */
> +     { .cnl = { 0x9, 0x7F, 0x36, 0x00, 0x09 } },     /* 200   300      3.5   
> */
> +     { .cnl = { 0x4, 0x59, 0x32, 0x00, 0x0D } },     /* 200   350      4.9   
> */
> +     { .cnl = { 0x2, 0x77, 0x3A, 0x00, 0x05 } },     /* 250   250      0.0   
> */
> +     { .cnl = { 0x2, 0x7F, 0x38, 0x00, 0x07 } },     /* 250   300      1.6   
> */
> +     { .cnl = { 0x4, 0x5A, 0x36, 0x00, 0x09 } },     /* 250   350      2.9   
> */
> +     { .cnl = { 0x4, 0x5E, 0x3D, 0x00, 0x04 } },     /* 300   300      0.0   
> */
> +     { .cnl = { 0x4, 0x65, 0x38, 0x00, 0x07 } },     /* 300   350      1.3   
> */
> +     { .cnl = { 0x4, 0x6F, 0x3A, 0x00, 0x05 } },     /* 350   350      0.0   
> */
> +};
> +
> +static const struct intel_ddi_buf_trans 
> adls_combo_phy_ddi_translations_edp_hbr2 = {
> +     .entries = _adls_combo_phy_ddi_translations_edp_hbr2,
> +     .num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr2),
> +};
> +
> +static const union intel_ddi_buf_trans_entry 
> _adls_combo_phy_ddi_translations_edp_hbr3[] = {
> +                                                     /* NT mV Trans mV db    
> */
> +     { .cnl = { 0xA, 0x5E, 0x34, 0x00, 0x0B } },     /* 350   350      0.0   
> */
> +     { .cnl = { 0xA, 0x69, 0x32, 0x00, 0x0D } },     /* 350   500      3.1   
> */
> +     { .cnl = { 0xC, 0x74, 0x31, 0x00, 0x0E } },     /* 350   700      6.0   
> */
> +     { .cnl = { 0x6, 0x7F, 0x2E, 0x00, 0x11 } },     /* 350   900      8.2   
> */
> +     { .cnl = { 0xA, 0x5C, 0x3F, 0x00, 0x00 } },     /* 500   500      0.0   
> */
> +     { .cnl = { 0xC, 0x7F, 0x34, 0x00, 0x0B } },     /* 500   700      2.9   
> */
> +     { .cnl = { 0x6, 0x7F, 0x33, 0x00, 0x0C } },     /* 500   900      5.1   
> */
> +     { .cnl = { 0xC, 0x7F, 0x3F, 0x00, 0x00 } },     /* 650   700      0.6   
> */
> +     { .cnl = { 0x6, 0x7F, 0x3C, 0x00, 0x03 } },     /* 600   900      3.5   
> */
> +     { .cnl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } },     /* 900   900      0.0   
> */
> +};
> +
> +static const struct intel_ddi_buf_trans 
> adls_combo_phy_ddi_translations_edp_hbr3 = {
> +     .entries = _adls_combo_phy_ddi_translations_edp_hbr3,
> +     .num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_edp_hbr3),
> +};
> +
>  static const union intel_ddi_buf_trans_entry 
> _adlp_dkl_phy_ddi_translations_dp_hbr[] = {
>                                       /* VS   pre-emp Non-trans mV    
> Pre-emph dB */
>       { .dkl = { 0x7, 0x0, 0x01 } },  /* 0    0       400mV           0 dB */
> @@ -1562,6 +1619,48 @@ rkl_get_combo_buf_trans(struct intel_encoder *encoder,
>               return rkl_get_combo_buf_trans_dp(encoder, crtc_state, 
> n_entries);
>  }
>  
> +static const struct intel_ddi_buf_trans *
> +adls_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(&adls_combo_phy_ddi_translations_dp_hbr2_hbr3, n_entries);
> +     else
> +             return 
> intel_get_buf_trans(&tgl_combo_phy_ddi_translations_dp_hbr, n_entries);
> +}
> +
> +static const struct intel_ddi_buf_trans *
> +adls_get_combo_buf_trans_edp(struct intel_encoder *encoder,
> +                          const struct intel_crtc_state *crtc_state,
> +                          int *n_entries)
> +{
> +     struct drm_i915_private *i915 = 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(&adls_combo_phy_ddi_translations_edp_hbr3, n_entries);
> +     else if (i915->vbt.edp.hobl && !intel_dp->hobl_failed)
> +             return 
> intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl, n_entries);
> +     else if (i915->vbt.edp.low_vswing)
> +             return 
> intel_get_buf_trans(&adls_combo_phy_ddi_translations_edp_hbr2, n_entries);
> +     else
> +             return adls_get_combo_buf_trans_dp(encoder, crtc_state, 
> n_entries);
> +}
> +
> +static const struct intel_ddi_buf_trans *
> +adls_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 
> intel_get_buf_trans(&icl_combo_phy_ddi_translations_hdmi, n_entries);
> +     else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
> +             return adls_get_combo_buf_trans_edp(encoder, crtc_state, 
> n_entries);
> +     else
> +             return adls_get_combo_buf_trans_dp(encoder, crtc_state, 
> n_entries);
> +}
> +
>  static const struct intel_ddi_buf_trans *
>  tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
>                        const struct intel_crtc_state *crtc_state,
> @@ -1642,6 +1741,8 @@ 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_ALDERLAKE_S(i915)) {
> +             encoder->get_buf_trans = adls_get_combo_buf_trans;
>       } else if (IS_ROCKETLAKE(i915)) {
>               encoder->get_buf_trans = rkl_get_combo_buf_trans;
>       } else if (IS_DG1(i915)) {

-- 
Jani Nikula, Intel Open Source Graphics Center
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