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drm/i915/bios: Extract intel_bios_encoder_port()

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We'll have a few places where we need to do the full (incl. ICL+ DSI)
DVO port->port conversion, so extract the code for that into a helper.

Suggested-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230630155846.29931-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2023-06-30 18:58:45 +03:00
parent b8a13e878a
commit d84b1945ca
1 changed files with 14 additions and 4 deletions
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18
drivers/gpu/drm/i915/display/intel_bios.c
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@@ -2374,6 +2374,19 @@ dsi_dvo_port_to_port(struct drm_i915_private *i915, u8 dvo_port)
}
}
static enum port intel_bios_encoder_port(const struct intel_bios_encoder_data *devdata)
{
struct drm_i915_private *i915 = devdata->i915;
const struct child_device_config *child = &devdata->child;
enum port port;
port = dvo_port_to_port(i915, child->dvo_port);
if (port == PORT_NONE && DISPLAY_VER(i915) >= 11)
port = dsi_dvo_port_to_port(i915, child->dvo_port);
return port;
}
static int parse_bdb_230_dp_max_link_rate(const int vbt_max_link_rate)
{
switch (vbt_max_link_rate) {
@@ -2613,12 +2626,9 @@ static void print_ddi_port(const struct intel_bios_encoder_data *devdata,
static void parse_ddi_port(struct intel_bios_encoder_data *devdata)
{
struct drm_i915_private *i915 = devdata->i915;
const struct child_device_config *child = &devdata->child;
enum port port;
port = dvo_port_to_port(i915, child->dvo_port);
if (port == PORT_NONE && DISPLAY_VER(i915) >= 11)
port = dsi_dvo_port_to_port(i915, child->dvo_port);
port = intel_bios_encoder_port(devdata);
if (port == PORT_NONE)
return;