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drm/i915: Refactor VBT fixed mode handling

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LVDS and eDP have essentially the same code for grabbing the
fixed mode from VBT. Pull that code to a common location.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321132446.22394-3-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2019-03-21 15:24:43 +02:00
parent 8f49673ef9
commit 325710d3d4
4 changed files with 34 additions and 21 deletions
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27
drivers/gpu/drm/i915/intel_panel.c
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@@ -141,6 +141,33 @@ intel_panel_edid_fixed_mode(struct intel_connector *connector)
return fixed_mode;
}
struct drm_display_mode *
intel_panel_vbt_fixed_mode(struct intel_connector *connector)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct drm_display_info *info = &connector->base.display_info;
struct drm_display_mode *fixed_mode;
if (!dev_priv->vbt.lfp_lvds_vbt_mode)
return NULL;
fixed_mode = drm_mode_duplicate(&dev_priv->drm,
dev_priv->vbt.lfp_lvds_vbt_mode);
if (!fixed_mode)
return NULL;
fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s] using mode from VBT: ",
connector->base.base.id, connector->base.name);
drm_mode_debug_printmodeline(fixed_mode);
info->width_mm = fixed_mode->width_mm;
info->height_mm = fixed_mode->height_mm;
return fixed_mode;
}
/* adjusted_mode has been preset to be the panel's fixed mode */
void
intel_pch_panel_fitting(struct intel_crtc *intel_crtc,