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authorVille Syrjälä2019-03-21 14:24:41 +0100
committerVille Syrjälä2019-03-22 17:41:39 +0100
commit0dc927eb9496ca5dfcde476f00c23b2283f8a5e2 (patch)
treee15be17a749af6fe3c4e42d061458968e8db84c3 /drivers/gpu/drm/i915/intel_panel.c
parentdrm/i915: Really calculate the cursor ddb based on the highest enabled wm level (diff)
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drm/i915: Refactor EDID fixed mode search
Both LVDS and eDP have the same code to look up the preferred mode from the connector probed_modes list. Move the code to a common location. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190321132446.22394-1-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 edd5540639b0..f42137512010 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -99,6 +99,33 @@ intel_find_panel_downclock(struct drm_i915_private *dev_priv,
return NULL;
}
+struct drm_display_mode *
+intel_panel_edid_fixed_mode(struct intel_connector *connector)
+{
+ struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+ const struct drm_display_mode *scan;
+
+ /* prefer fixed mode from EDID if available */
+ list_for_each_entry(scan, &connector->base.probed_modes, head) {
+ struct drm_display_mode *fixed_mode;
+
+ if ((scan->type & DRM_MODE_TYPE_PREFERRED) == 0)
+ continue;
+
+ fixed_mode = drm_mode_duplicate(&dev_priv->drm, scan);
+ if (!fixed_mode)
+ return NULL;
+
+ DRM_DEBUG_KMS("[CONNECTOR:%d:%s] using preferred mode from EDID: ",
+ connector->base.base.id, connector->base.name);
+ drm_mode_debug_printmodeline(fixed_mode);
+
+ return fixed_mode;
+ }
+
+ return NULL;
+}
+
/* adjusted_mode has been preset to be the panel's fixed mode */
void
intel_pch_panel_fitting(struct intel_crtc *intel_crtc,