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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-03-21 14:24:43 +0100
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-03-22 17:41:39 +0100
commit325710d3d4a3474d3cdad404c84056f7e98353b6 (patch)
tree1e8546b1b959fc64b3b9fdb297ee6afec8104910 /drivers/gpu/drm/i915/intel_panel.c
parentdrm/i915: Pick the first mode from EDID as the fixed mode when there is no pr... (diff)
downloadlinux-325710d3d4a3474d3cdad404c84056f7e98353b6.tar.xz
linux-325710d3d4a3474d3cdad404c84056f7e98353b6.zip
drm/i915: Refactor VBT fixed mode handling
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index b9ee18c2dff5..cf111eba1a93 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -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,