dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

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>
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/gpu/drm/i915/intel_dp.c
View File

@ -2317,44 +2317,45 @@ g4x_dp_detect(struct intel_dp *intel_dp)
static struct edid *
intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct edid *edid;
int size;
struct intel_connector *intel_connector = to_intel_connector(connector);
if (is_edp(intel_dp)) {
if (!intel_dp->edid)
/* use cached edid if we have one */
if (intel_connector->edid) {
struct edid *edid;
int size;
/* invalid edid */
if (IS_ERR(intel_connector->edid))
return NULL;
size = (intel_dp->edid->extensions + 1) * EDID_LENGTH;
size = (intel_connector->edid->extensions + 1) * EDID_LENGTH;
edid = kmalloc(size, GFP_KERNEL);
if (!edid)
return NULL;
memcpy(edid, intel_dp->edid, size);
memcpy(edid, intel_connector->edid, size);
return edid;
}
edid = drm_get_edid(connector, adapter);
return edid;
return drm_get_edid(connector, adapter);
}
static int
intel_dp_get_edid_modes(struct drm_connector *connector, struct i2c_adapter *adapter)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
int ret;
struct intel_connector *intel_connector = to_intel_connector(connector);
if (is_edp(intel_dp)) {
drm_mode_connector_update_edid_property(connector,
intel_dp->edid);
ret = drm_add_edid_modes(connector, intel_dp->edid);
drm_edid_to_eld(connector,
intel_dp->edid);
return intel_dp->edid_mode_count;
/* use cached edid if we have one */
if (intel_connector->edid) {
/* invalid edid */
if (IS_ERR(intel_connector->edid))
return 0;
return intel_connector_update_modes(connector,
intel_connector->edid);
}
ret = intel_ddc_get_modes(connector, adapter);
return ret;
return intel_ddc_get_modes(connector, adapter);
}
@ -2506,6 +2507,9 @@ intel_dp_destroy(struct drm_connector *connector)
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_connector *intel_connector = to_intel_connector(connector);
if (!IS_ERR_OR_NULL(intel_connector->edid))
kfree(intel_connector->edid);
if (is_edp(intel_dp)) {
intel_panel_destroy_backlight(dev);
intel_panel_fini(&intel_connector->panel);
@ -2523,7 +2527,6 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
i2c_del_adapter(&intel_dp->adapter);
drm_encoder_cleanup(encoder);
if (is_edp(intel_dp)) {
kfree(intel_dp->edid);
cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
ironlake_panel_vdd_off_sync(intel_dp);
}
@ -2810,13 +2813,17 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
ironlake_edp_panel_vdd_on(intel_dp);
edid = drm_get_edid(connector, &intel_dp->adapter);
if (edid) {
drm_mode_connector_update_edid_property(connector,
edid);
intel_dp->edid_mode_count =
drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
intel_dp->edid = edid;
if (drm_add_edid_modes(connector, edid)) {
drm_mode_connector_update_edid_property(connector, edid);
drm_edid_to_eld(connector, edid);
} else {
kfree(edid);
edid = ERR_PTR(-EINVAL);
}
} else {
edid = ERR_PTR(-ENOENT);
}
intel_connector->edid = edid;
/* prefer fixed mode from EDID if available */
list_for_each_entry(scan, &connector->probed_modes, head) {

5
drivers/gpu/drm/i915/intel_drv.h
View File

@ -186,6 +186,9 @@ struct intel_connector {
/* Panel info for eDP and LVDS */
struct intel_panel panel;
/* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
struct edid *edid;
};
struct intel_crtc {
@ -367,8 +370,6 @@ struct intel_dp {
int backlight_off_delay;
struct delayed_work panel_vdd_work;
bool want_panel_vdd;
struct edid *edid; /* cached EDID for eDP */
int edid_mode_count;
struct intel_connector *attached_connector;
};

34
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -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