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drm/i915: Move cached EDID to intel_connector
Move the cached EDID from intel_dp and intel_lvds_connector to intel_connector. Unify cached EDID handling for LVDS and eDP, in preparation for adding more generic EDID caching later. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ebda95a996
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9cd300e038
@ -2317,44 +2317,45 @@ g4x_dp_detect(struct intel_dp *intel_dp)
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static struct edid *
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intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
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{
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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struct edid *edid;
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int size;
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struct intel_connector *intel_connector = to_intel_connector(connector);
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if (is_edp(intel_dp)) {
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if (!intel_dp->edid)
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/* use cached edid if we have one */
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if (intel_connector->edid) {
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struct edid *edid;
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int size;
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/* invalid edid */
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if (IS_ERR(intel_connector->edid))
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return NULL;
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size = (intel_dp->edid->extensions + 1) * EDID_LENGTH;
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size = (intel_connector->edid->extensions + 1) * EDID_LENGTH;
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edid = kmalloc(size, GFP_KERNEL);
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if (!edid)
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return NULL;
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memcpy(edid, intel_dp->edid, size);
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memcpy(edid, intel_connector->edid, size);
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return edid;
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}
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edid = drm_get_edid(connector, adapter);
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return edid;
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return drm_get_edid(connector, adapter);
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}
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static int
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intel_dp_get_edid_modes(struct drm_connector *connector, struct i2c_adapter *adapter)
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{
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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int ret;
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struct intel_connector *intel_connector = to_intel_connector(connector);
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if (is_edp(intel_dp)) {
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drm_mode_connector_update_edid_property(connector,
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intel_dp->edid);
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ret = drm_add_edid_modes(connector, intel_dp->edid);
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drm_edid_to_eld(connector,
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intel_dp->edid);
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return intel_dp->edid_mode_count;
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/* use cached edid if we have one */
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if (intel_connector->edid) {
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/* invalid edid */
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if (IS_ERR(intel_connector->edid))
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return 0;
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return intel_connector_update_modes(connector,
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intel_connector->edid);
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}
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ret = intel_ddc_get_modes(connector, adapter);
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return ret;
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return intel_ddc_get_modes(connector, adapter);
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}
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@ -2506,6 +2507,9 @@ intel_dp_destroy(struct drm_connector *connector)
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struct intel_dp *intel_dp = intel_attached_dp(connector);
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struct intel_connector *intel_connector = to_intel_connector(connector);
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if (!IS_ERR_OR_NULL(intel_connector->edid))
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kfree(intel_connector->edid);
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if (is_edp(intel_dp)) {
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intel_panel_destroy_backlight(dev);
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intel_panel_fini(&intel_connector->panel);
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@ -2523,7 +2527,6 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
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i2c_del_adapter(&intel_dp->adapter);
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drm_encoder_cleanup(encoder);
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if (is_edp(intel_dp)) {
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kfree(intel_dp->edid);
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cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
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ironlake_panel_vdd_off_sync(intel_dp);
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}
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@ -2810,13 +2813,17 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
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ironlake_edp_panel_vdd_on(intel_dp);
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edid = drm_get_edid(connector, &intel_dp->adapter);
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if (edid) {
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drm_mode_connector_update_edid_property(connector,
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edid);
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intel_dp->edid_mode_count =
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drm_add_edid_modes(connector, edid);
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drm_edid_to_eld(connector, edid);
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intel_dp->edid = edid;
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if (drm_add_edid_modes(connector, edid)) {
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drm_mode_connector_update_edid_property(connector, edid);
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drm_edid_to_eld(connector, edid);
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} else {
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kfree(edid);
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edid = ERR_PTR(-EINVAL);
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}
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} else {
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edid = ERR_PTR(-ENOENT);
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}
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intel_connector->edid = edid;
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/* prefer fixed mode from EDID if available */
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list_for_each_entry(scan, &connector->probed_modes, head) {
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@ -186,6 +186,9 @@ struct intel_connector {
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/* Panel info for eDP and LVDS */
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struct intel_panel panel;
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/* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
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struct edid *edid;
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};
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struct intel_crtc {
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@ -367,8 +370,6 @@ struct intel_dp {
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int backlight_off_delay;
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struct delayed_work panel_vdd_work;
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bool want_panel_vdd;
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struct edid *edid; /* cached EDID for eDP */
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int edid_mode_count;
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struct intel_connector *attached_connector;
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};
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@ -44,7 +44,6 @@ struct intel_lvds_connector {
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struct intel_connector base;
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struct notifier_block lid_notifier;
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struct edid *edid;
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int fitting_mode;
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};
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@ -460,8 +459,14 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
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struct drm_device *dev = connector->dev;
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struct drm_display_mode *mode;
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if (lvds_connector->edid)
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return drm_add_edid_modes(connector, lvds_connector->edid);
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/* use cached edid if we have one */
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if (lvds_connector->base.edid) {
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/* invalid edid */
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if (IS_ERR(lvds_connector->base.edid))
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return 0;
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return drm_add_edid_modes(connector, lvds_connector->base.edid);
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}
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mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode);
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if (mode == NULL)
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@ -553,6 +558,9 @@ static void intel_lvds_destroy(struct drm_connector *connector)
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if (lvds_connector->lid_notifier.notifier_call)
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acpi_lid_notifier_unregister(&lvds_connector->lid_notifier);
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if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
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kfree(lvds_connector->base.edid);
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intel_panel_destroy_backlight(connector->dev);
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intel_panel_fini(&lvds_connector->base.panel);
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@ -922,6 +930,7 @@ bool intel_lvds_init(struct drm_device *dev)
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struct drm_encoder *encoder;
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struct drm_display_mode *scan; /* *modes, *bios_mode; */
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struct drm_display_mode *fixed_mode = NULL;
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struct edid *edid;
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struct drm_crtc *crtc;
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u32 lvds;
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int pipe;
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@ -1021,18 +1030,21 @@ bool intel_lvds_init(struct drm_device *dev)
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* Attempt to get the fixed panel mode from DDC. Assume that the
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* preferred mode is the right one.
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*/
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lvds_connector->edid = drm_get_edid(connector,
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intel_gmbus_get_adapter(dev_priv, pin));
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if (lvds_connector->edid) {
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if (drm_add_edid_modes(connector, lvds_connector->edid)) {
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edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin));
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if (edid) {
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if (drm_add_edid_modes(connector, edid)) {
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drm_mode_connector_update_edid_property(connector,
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lvds_connector->edid);
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edid);
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} else {
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kfree(lvds_connector->edid);
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lvds_connector->edid = NULL;
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kfree(edid);
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edid = ERR_PTR(-EINVAL);
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}
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} else {
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edid = ERR_PTR(-ENOENT);
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}
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if (!lvds_connector->edid) {
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lvds_connector->base.edid = edid;
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if (IS_ERR_OR_NULL(edid)) {
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/* Didn't get an EDID, so
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* Set wide sync ranges so we get all modes
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* handed to valid_mode for checking
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