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drm/i915: Extract intel_panel_vbt_sdvo_fixed_mode()

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We have a function for duplicating the VBT LFP mode. Add the same
for the VBT SDVO mode.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-23 20:29:32 +02:00
parent 688a9bbccb
commit 14daee248f
3 changed files with 26 additions and 10 deletions
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20
drivers/gpu/drm/i915/display/intel_panel.c
View File

@ -272,6 +272,26 @@ intel_panel_vbt_lfp_fixed_mode(struct intel_connector *connector)
return fixed_mode;
}
struct drm_display_mode *
intel_panel_vbt_sdvo_fixed_mode(struct intel_connector *connector)
{
struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct drm_display_mode *fixed_mode;
if (!i915->vbt.sdvo_lvds_vbt_mode)
return NULL;
fixed_mode = drm_mode_duplicate(&i915->drm,
i915->vbt.sdvo_lvds_vbt_mode);
if (!fixed_mode)
return NULL;
/* Guarantee the mode is preferred */
fixed_mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
return fixed_mode;
}
/* adjusted_mode has been preset to be the panel's fixed mode */
static int pch_panel_fitting(struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)

2
drivers/gpu/drm/i915/display/intel_panel.h
View File

@ -48,5 +48,7 @@ struct drm_display_mode *
intel_panel_edid_fixed_mode(struct intel_connector *connector);
struct drm_display_mode *
intel_panel_vbt_lfp_fixed_mode(struct intel_connector *connector);
struct drm_display_mode *
intel_panel_vbt_sdvo_fixed_mode(struct intel_connector *connector);
#endif /* __INTEL_PANEL_H__ */

14
drivers/gpu/drm/i915/display/intel_sdvo.c
View File

@ -2301,16 +2301,10 @@ static int intel_sdvo_get_lvds_modes(struct drm_connector *connector)
* Fetch modes from VBT. For SDVO prefer the VBT mode since some
* SDVO->LVDS transcoders can't cope with the EDID mode.
*/
if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
newmode = drm_mode_duplicate(connector->dev,
dev_priv->vbt.sdvo_lvds_vbt_mode);
if (newmode != NULL) {
/* Guarantee the mode is preferred */
newmode->type = (DRM_MODE_TYPE_PREFERRED |
DRM_MODE_TYPE_DRIVER);
drm_mode_probed_add(connector, newmode);
num_modes++;
}
newmode = intel_panel_vbt_sdvo_fixed_mode(to_intel_connector(connector));
if (newmode) {
drm_mode_probed_add(connector, newmode);
num_modes++;
}
/*