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drm/i915: Move cached EDID to intel_connector

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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>
This commit is contained in:
Jani Nikula
2012-10-19 14:51:52 +03:00
committed by Daniel Vetter
parent ebda95a996
commit 9cd300e038
3 changed files with 60 additions and 40 deletions
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34
drivers/gpu/drm/i915/intel_lvds.c
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@ -44,7 +44,6 @@ struct intel_lvds_connector {
struct intel_connector base;
struct notifier_block lid_notifier;
struct edid *edid;
int fitting_mode;
};
@ -460,8 +459,14 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode;
if (lvds_connector->edid)
return drm_add_edid_modes(connector, lvds_connector->edid);
/* use cached edid if we have one */
if (lvds_connector->base.edid) {
/* invalid edid */
if (IS_ERR(lvds_connector->base.edid))
return 0;
return drm_add_edid_modes(connector, lvds_connector->base.edid);
}
mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode);
if (mode == NULL)
@ -553,6 +558,9 @@ static void intel_lvds_destroy(struct drm_connector *connector)
if (lvds_connector->lid_notifier.notifier_call)
acpi_lid_notifier_unregister(&lvds_connector->lid_notifier);
if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
kfree(lvds_connector->base.edid);
intel_panel_destroy_backlight(connector->dev);
intel_panel_fini(&lvds_connector->base.panel);
@ -922,6 +930,7 @@ bool intel_lvds_init(struct drm_device *dev)
struct drm_encoder *encoder;
struct drm_display_mode *scan; /* *modes, *bios_mode; */
struct drm_display_mode *fixed_mode = NULL;
struct edid *edid;
struct drm_crtc *crtc;
u32 lvds;
int pipe;
@ -1021,18 +1030,21 @@ bool intel_lvds_init(struct drm_device *dev)
* Attempt to get the fixed panel mode from DDC. Assume that the
* preferred mode is the right one.
*/
lvds_connector->edid = drm_get_edid(connector,
intel_gmbus_get_adapter(dev_priv, pin));
if (lvds_connector->edid) {
if (drm_add_edid_modes(connector, lvds_connector->edid)) {
edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin));
if (edid) {
if (drm_add_edid_modes(connector, edid)) {
drm_mode_connector_update_edid_property(connector,
lvds_connector->edid);
edid);
} else {
kfree(lvds_connector->edid);
lvds_connector->edid = NULL;
kfree(edid);
edid = ERR_PTR(-EINVAL);
}
} else {
edid = ERR_PTR(-ENOENT);
}
if (!lvds_connector->edid) {
lvds_connector->base.edid = edid;
if (IS_ERR_OR_NULL(edid)) {
/* Didn't get an EDID, so
* Set wide sync ranges so we get all modes
* handed to valid_mode for checking