On Wed, 15 Feb 2023, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Switch a lot of the intel_bios_foo() stuff to just accept the
> devdata (VBT child device info) directly, instead of taking
> detours via vbt.ports[].
>
> Also unify the function naming scheme.
>
> TODO: is intel_bios_encoder_{dp,hdmi}_ too much? Or should we
> shorten to just intel_bios_{dp,hdmi}_ ?
I think I added encoder in the name to distinguish from the old stuff,
but if everything's going to be based on encoder->devdata, I don't see
what the point is. Could just shorten it I guess?
BR,
Jani.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_bios.c | 54 +++++------------------
> drivers/gpu/drm/i915/display/intel_bios.h | 15 ++++---
> drivers/gpu/drm/i915/display/intel_ddi.c | 2 +-
> drivers/gpu/drm/i915/display/intel_dp.c | 4 +-
> drivers/gpu/drm/i915/display/intel_hdmi.c | 4 +-
> 5 files changed, 23 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 229f9782e226..22bbbca171dc 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -2520,7 +2520,7 @@ static int parse_bdb_216_dp_max_link_rate(const int vbt_max_link_rate)
> }
> }
>
> -static int _intel_bios_dp_max_link_rate(const struct intel_bios_encoder_data *devdata)
> +int intel_bios_encoder_dp_max_link_rate(const struct intel_bios_encoder_data *devdata)
> {
> if (!devdata || devdata->i915->display.vbt.version < 216)
> return 0;
> @@ -2531,7 +2531,7 @@ static int _intel_bios_dp_max_link_rate(const struct intel_bios_encoder_data *de
> return parse_bdb_216_dp_max_link_rate(devdata->child.dp_max_link_rate);
> }
>
> -static int _intel_bios_dp_max_lane_count(const struct intel_bios_encoder_data *devdata)
> +int intel_bios_encoder_dp_max_lane_count(const struct intel_bios_encoder_data *devdata)
> {
> if (!devdata || devdata->i915->display.vbt.version < 244)
> return 0;
> @@ -2604,7 +2604,8 @@ intel_bios_encoder_is_lspcon(const struct intel_bios_encoder_data *devdata)
> return devdata && HAS_LSPCON(devdata->i915) && devdata->child.lspcon;
> }
>
> -static int _intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *devdata)
> +/* This is an index in the HDMI/DVI DDI buffer translation table, or -1 */
> +int intel_bios_encoder_hdmi_level_shift(const struct intel_bios_encoder_data *devdata)
> {
> if (!devdata || devdata->i915->display.vbt.version < 158)
> return -1;
> @@ -2612,7 +2613,7 @@ static int _intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *de
> return devdata->child.hdmi_level_shifter_value;
> }
>
> -static int _intel_bios_max_tmds_clock(const struct intel_bios_encoder_data *devdata)
> +int intel_bios_encoder_hdmi_max_tmds_clock(const struct intel_bios_encoder_data *devdata)
> {
> if (!devdata || devdata->i915->display.vbt.version < 204)
> return 0;
> @@ -2674,14 +2675,14 @@ static void print_ddi_port(const struct intel_bios_encoder_data *devdata,
> supports_typec_usb, supports_tbt,
> devdata->dsc != NULL);
>
> - hdmi_level_shift = _intel_bios_hdmi_level_shift(devdata);
> + hdmi_level_shift = intel_bios_encoder_hdmi_level_shift(devdata);
> if (hdmi_level_shift >= 0) {
> drm_dbg_kms(&i915->drm,
> "Port %c VBT HDMI level shift: %d\n",
> port_name(port), hdmi_level_shift);
> }
>
> - max_tmds_clock = _intel_bios_max_tmds_clock(devdata);
> + max_tmds_clock = intel_bios_encoder_hdmi_max_tmds_clock(devdata);
> if (max_tmds_clock)
> drm_dbg_kms(&i915->drm,
> "Port %c VBT HDMI max TMDS clock: %d kHz\n",
> @@ -2700,7 +2701,7 @@ static void print_ddi_port(const struct intel_bios_encoder_data *devdata,
> "Port %c VBT HDMI boost level: %d\n",
> port_name(port), hdmi_boost_level);
>
> - dp_max_link_rate = _intel_bios_dp_max_link_rate(devdata);
> + dp_max_link_rate = intel_bios_encoder_dp_max_link_rate(devdata);
> if (dp_max_link_rate)
> drm_dbg_kms(&i915->drm,
> "Port %c VBT DP max link rate: %d\n",
> @@ -3665,22 +3666,6 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915,
> return aux_ch;
> }
>
> -int intel_bios_max_tmds_clock(struct intel_encoder *encoder)
> -{
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> - const struct intel_bios_encoder_data *devdata = i915->display.vbt.ports[encoder->port];
> -
> - return _intel_bios_max_tmds_clock(devdata);
> -}
> -
> -/* This is an index in the HDMI/DVI DDI buffer translation table, or -1 */
> -int intel_bios_hdmi_level_shift(struct intel_encoder *encoder)
> -{
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> - const struct intel_bios_encoder_data *devdata = i915->display.vbt.ports[encoder->port];
> -
> - return _intel_bios_hdmi_level_shift(devdata);
> -}
>
> int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata)
> {
> @@ -3698,31 +3683,12 @@ int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *de
> return translate_iboost(devdata->child.hdmi_iboost_level);
> }
>
> -int intel_bios_dp_max_link_rate(struct intel_encoder *encoder)
> +int intel_bios_encoder_hdmi_ddc_pin(const struct intel_bios_encoder_data *devdata)
> {
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> - const struct intel_bios_encoder_data *devdata = i915->display.vbt.ports[encoder->port];
> -
> - return _intel_bios_dp_max_link_rate(devdata);
> -}
> -
> -int intel_bios_dp_max_lane_count(struct intel_encoder *encoder)
> -{
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> - const struct intel_bios_encoder_data *devdata = i915->display.vbt.ports[encoder->port];
> -
> - return _intel_bios_dp_max_lane_count(devdata);
> -}
> -
> -int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder)
> -{
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> - const struct intel_bios_encoder_data *devdata = i915->display.vbt.ports[encoder->port];
> -
> if (!devdata || !devdata->child.ddc_pin)
> return 0;
>
> - return map_ddc_pin(i915, devdata->child.ddc_pin);
> + return map_ddc_pin(devdata->i915, devdata->child.ddc_pin);
> }
>
> bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata)
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h
> index 1a6ae38bd4f6..0ce7ed7f28c9 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.h
> +++ b/drivers/gpu/drm/i915/display/intel_bios.h
> @@ -254,11 +254,6 @@ enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915,
> bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
> struct intel_crtc_state *crtc_state,
> int dsc_max_bpc);
> -int intel_bios_max_tmds_clock(struct intel_encoder *encoder);
> -int intel_bios_hdmi_level_shift(struct intel_encoder *encoder);
> -int intel_bios_dp_max_link_rate(struct intel_encoder *encoder);
> -int intel_bios_dp_max_lane_count(struct intel_encoder *encoder);
> -int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder);
> bool intel_bios_port_supports_typec_usb(struct drm_i915_private *i915, enum port port);
> bool intel_bios_port_supports_tbt(struct drm_i915_private *i915, enum port port);
>
> @@ -272,9 +267,15 @@ bool intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devda
> bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata);
> bool intel_bios_encoder_supports_tbt(const struct intel_bios_encoder_data *devdata);
> bool intel_bios_encoder_is_lspcon(const struct intel_bios_encoder_data *devdata);
> -int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata);
> -int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *devdata);
> bool intel_bios_encoder_lane_reversal(const struct intel_bios_encoder_data *devdata);
> bool intel_bios_encoder_hpd_invert(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_dp_max_link_rate(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_dp_max_lane_count(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_hdmi_max_tmds_clock(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_hdmi_boost_level(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_hdmi_level_shift(const struct intel_bios_encoder_data *devdata);
> +int intel_bios_encoder_hdmi_ddc_pin(const struct intel_bios_encoder_data *devdata);
>
> #endif /* _INTEL_BIOS_H_ */
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index bfd1e30a27b4..655309ff5b55 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -89,7 +89,7 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder,
> {
> int level;
>
> - level = intel_bios_hdmi_level_shift(encoder);
> + level = intel_bios_encoder_hdmi_level_shift(encoder->devdata);
> if (level < 0)
> level = trans->hdmi_default_entry;
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index b92e0b0f5369..7fd4c5ccf7e5 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -288,7 +288,7 @@ static int intel_dp_max_common_rate(struct intel_dp *intel_dp)
>
> static int intel_dp_max_source_lane_count(struct intel_digital_port *dig_port)
> {
> - int vbt_max_lanes = intel_bios_dp_max_lane_count(&dig_port->base);
> + int vbt_max_lanes = intel_bios_encoder_dp_max_lane_count(dig_port->base.devdata);
> int max_lanes = dig_port->max_lanes;
>
> if (vbt_max_lanes)
> @@ -425,7 +425,7 @@ static int vbt_max_link_rate(struct intel_dp *intel_dp)
> struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> int max_rate;
>
> - max_rate = intel_bios_dp_max_link_rate(encoder);
> + max_rate = intel_bios_encoder_dp_max_link_rate(encoder->devdata);
>
> if (intel_dp_is_edp(intel_dp)) {
> struct intel_connector *connector = intel_dp->attached_connector;
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 619865b45eca..07a1495bd55f 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1795,7 +1795,7 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
> else
> max_tmds_clock = 165000;
>
> - vbt_max_tmds_clock = intel_bios_max_tmds_clock(encoder);
> + vbt_max_tmds_clock = intel_bios_encoder_hdmi_max_tmds_clock(encoder->devdata);
> if (vbt_max_tmds_clock)
> max_tmds_clock = min(max_tmds_clock, vbt_max_tmds_clock);
>
> @@ -2871,7 +2871,7 @@ static u8 intel_hdmi_ddc_pin(struct intel_encoder *encoder)
> enum port port = encoder->port;
> u8 ddc_pin;
>
> - ddc_pin = intel_bios_alternate_ddc_pin(encoder);
> + ddc_pin = intel_bios_encoder_hdmi_ddc_pin(encoder->devdata);
> if (ddc_pin) {
> drm_dbg_kms(&dev_priv->drm,
> "Using DDC pin 0x%x for port %c (VBT)\n",
--
Jani Nikula, Intel Open Source Graphics Center
