diff options
author | Jani Nikula <jani.nikula@intel.com> | 2021-09-01 19:09:59 +0300 |
---|---|---|
committer | Jani Nikula <jani.nikula@intel.com> | 2021-09-07 10:28:48 +0300 |
commit | a9a56e7628d117c29c9b029342acc0748691680e (patch) | |
tree | fc4086833309604f8459d1bda5388392379e0307 /drivers/gpu/drm/i915/display/intel_bios.c | |
parent | 555ae26d51854503a80e77a781e25e32fcdc5c7c (diff) |
drm/i915/bios: use hdmi level shift directly from child data
Avoid extra caching of the data.
Cc: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ef22e40b01eab571ff0dc2bfffabb906d0151fb4.1630512523.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bios.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index e86e6ed2d3bf..afb5fcd9dd0c 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1868,6 +1868,14 @@ intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata) devdata->child.device_type & DEVICE_TYPE_INTERNAL_CONNECTOR; } +static int _intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *devdata) +{ + if (!devdata || devdata->i915->vbt.version < 158) + return -1; + + return devdata->child.hdmi_level_shifter_value; +} + static bool is_port_valid(struct drm_i915_private *i915, enum port port) { /* @@ -1887,7 +1895,7 @@ static void parse_ddi_port(struct drm_i915_private *i915, const struct child_device_config *child = &devdata->child; struct ddi_vbt_port_info *info; bool is_dvi, is_hdmi, is_dp, is_edp, is_crt, supports_typec_usb, supports_tbt; - int dp_boost_level, hdmi_boost_level; + int dp_boost_level, hdmi_boost_level, hdmi_level_shift; enum port port; port = dvo_port_to_port(i915, child->dvo_port); @@ -1949,15 +1957,11 @@ static void parse_ddi_port(struct drm_i915_private *i915, sanitize_aux_ch(i915, port); } - if (i915->vbt.version >= 158) { - /* The VBT HDMI level shift values match the table we have. */ - u8 hdmi_level_shift = child->hdmi_level_shifter_value; + hdmi_level_shift = _intel_bios_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); - info->hdmi_level_shift = hdmi_level_shift; - info->hdmi_level_shift_set = true; + port_name(port), hdmi_level_shift); } if (i915->vbt.version >= 204) { @@ -2950,13 +2954,13 @@ int intel_bios_max_tmds_clock(struct intel_encoder *encoder) return i915->vbt.ddi_port_info[encoder->port].max_tmds_clock; } +/* 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 ddi_vbt_port_info *info = - &i915->vbt.ddi_port_info[encoder->port]; + const struct intel_bios_encoder_data *devdata = i915->vbt.ddi_port_info[encoder->port].devdata; - return info->hdmi_level_shift_set ? info->hdmi_level_shift : -1; + return _intel_bios_hdmi_level_shift(devdata); } int intel_bios_encoder_dp_boost_level(const struct intel_bios_encoder_data *devdata) |