@@ -1361,6 +1361,7 @@ static void i915_driver_register(struct drm_i915_private *dev_priv)
I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY);
i915_setup_sysfs(dev);
+ intel_modeset_register(dev_priv);
if (INTEL_INFO(dev_priv)->num_pipes) {
/* Must be done after probing outputs */
@@ -1396,6 +1397,7 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv)
intel_gpu_ips_teardown();
acpi_video_unregister();
intel_opregion_unregister(dev_priv);
+ intel_modeset_unregister(dev_priv);
i915_teardown_sysfs(dev_priv->dev);
i915_gem_shrinker_cleanup(dev_priv);
}
@@ -3671,7 +3671,9 @@ extern void intel_modeset_init_hw(struct drm_device *dev);
extern void intel_modeset_init(struct drm_device *dev);
extern void intel_modeset_gem_init(struct drm_device *dev);
extern void intel_modeset_cleanup(struct drm_device *dev);
-extern void intel_connector_unregister(struct intel_connector *);
+extern void intel_modeset_register(struct drm_i915_private *dev_priv);
+extern void intel_modeset_unregister(struct drm_i915_private *dev_priv);
+extern void intel_connector_unregister(struct drm_connector *);
extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
extern void intel_display_resume(struct drm_device *dev);
extern void i915_redisable_vga(struct drm_device *dev);
@@ -743,6 +743,7 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_crt_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_crt_destroy,
.set_property = intel_crt_set_property,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
@@ -876,12 +877,9 @@ void intel_crt_init(struct drm_device *dev)
crt->base.get_hw_state = intel_crt_get_hw_state;
}
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
- drm_connector_register(connector);
-
if (!I915_HAS_HOTPLUG(dev))
intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
@@ -15431,6 +15431,16 @@ void intel_modeset_init_hw(struct drm_device *dev)
intel_enable_gt_powersave(dev_priv);
}
+void intel_modeset_register(struct drm_i915_private *dev_priv)
+{
+ drm_connector_register_all(dev_priv->dev);
+}
+
+void intel_modeset_unregister(struct drm_i915_private *dev_priv)
+{
+ drm_connector_unregister_all(dev_priv->dev);
+}
+
/*
* Calculate what we think the watermarks should be for the state we've read
* out of the hardware and then immediately program those watermarks so that
@@ -16198,18 +16208,14 @@ void intel_modeset_gem_init(struct drm_device *dev)
intel_backlight_register(dev);
}
-void intel_connector_unregister(struct intel_connector *intel_connector)
+void intel_connector_unregister(struct drm_connector *connector)
{
- struct drm_connector *connector = &intel_connector->base;
-
intel_panel_destroy_backlight(connector);
- drm_connector_unregister(connector);
}
void intel_modeset_cleanup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_connector *connector;
intel_disable_gt_powersave(dev_priv);
@@ -16235,10 +16241,6 @@ void intel_modeset_cleanup(struct drm_device *dev)
/* flush any delayed tasks or pending work */
flush_scheduled_work();
- /* destroy the backlight and sysfs files before encoders/connectors */
- for_each_intel_connector(dev, connector)
- connector->unregister(connector);
-
drm_mode_config_cleanup(dev);
intel_cleanup_overlay(dev_priv);
@@ -1177,7 +1177,6 @@ static void intel_aux_reg_init(struct intel_dp *intel_dp)
static void
intel_dp_aux_fini(struct intel_dp *intel_dp)
{
- drm_dp_aux_unregister(&intel_dp->aux);
kfree(intel_dp->aux.name);
}
@@ -1186,7 +1185,6 @@ intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
enum port port = intel_dig_port->port;
- int ret;
intel_aux_reg_init(intel_dp);
@@ -1194,33 +1192,9 @@ intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector)
if (!intel_dp->aux.name)
return -ENOMEM;
- intel_dp->aux.dev = connector->base.kdev;
- intel_dp->aux.transfer = intel_dp_aux_transfer;
-
- DRM_DEBUG_KMS("registering %s bus for %s\n",
- intel_dp->aux.name,
- connector->base.kdev->kobj.name);
-
- ret = drm_dp_aux_register(&intel_dp->aux);
- if (ret < 0) {
- DRM_ERROR("drm_dp_aux_register() for %s failed (%d)\n",
- intel_dp->aux.name, ret);
- kfree(intel_dp->aux.name);
- return ret;
- }
-
return 0;
}
-static void
-intel_dp_connector_unregister(struct intel_connector *intel_connector)
-{
- struct intel_dp *intel_dp = intel_attached_dp(&intel_connector->base);
-
- intel_dp_aux_fini(intel_dp);
- intel_connector_unregister(intel_connector);
-}
-
static int
intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates)
{
@@ -4456,6 +4430,29 @@ done:
return 0;
}
+static int
+intel_dp_connector_register(struct drm_connector *connector)
+{
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
+
+ i915_debugfs_connector_add(connector);
+
+ DRM_DEBUG_KMS("registering %s bus for %s\n",
+ intel_dp->aux.name, connector->kdev->kobj.name);
+
+ intel_dp->aux.dev = connector->kdev;
+ intel_dp->aux.transfer = intel_dp_aux_transfer;
+
+ return drm_dp_aux_register(&intel_dp->aux);
+}
+
+static void
+intel_dp_connector_unregister(struct drm_connector *connector)
+{
+ drm_dp_aux_unregister(&intel_attached_dp(connector)->aux);
+ intel_connector_unregister(connector);
+}
+
static void
intel_dp_connector_destroy(struct drm_connector *connector)
{
@@ -4466,6 +4463,8 @@ intel_dp_connector_destroy(struct drm_connector *connector)
if (!IS_ERR_OR_NULL(intel_connector->edid))
kfree(intel_connector->edid);
+ intel_dp_aux_fini(intel_attached_dp(connector));
+
/* Can't call is_edp() since the encoder may have been destroyed
* already. */
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
@@ -4572,6 +4571,8 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_dp_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
+ .late_register = intel_dp_connector_register,
+ .early_unregister = intel_dp_connector_unregister,
.destroy = intel_dp_connector_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -5479,13 +5480,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
edp_panel_vdd_work);
intel_connector_attach_encoder(intel_connector, intel_encoder);
- drm_connector_register(connector);
if (HAS_DDI(dev))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_dp_connector_unregister;
/* Set up the hotplug pin. */
switch (port) {
@@ -5547,8 +5546,6 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
- i915_debugfs_connector_add(connector);
-
return true;
fail:
@@ -5562,7 +5559,6 @@ fail:
edp_panel_vdd_off_sync(intel_dp);
pps_unlock(intel_dp);
}
- drm_connector_unregister(connector);
drm_connector_cleanup(connector);
return false;
@@ -336,6 +336,7 @@ static const struct drm_connector_funcs intel_dp_mst_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_dp_mst_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_dp_mst_connector_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -455,7 +456,6 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort);
drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs);
- intel_connector->unregister = intel_connector_unregister;
intel_connector->get_hw_state = intel_dp_mst_get_hw_state;
intel_connector->mst_port = intel_dp;
intel_connector->port = port;
@@ -477,9 +477,11 @@ static void intel_dp_register_mst_connector(struct drm_connector *connector)
{
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_device *dev = connector->dev;
+
drm_modeset_lock_all(dev);
intel_connector_add_to_fbdev(intel_connector);
drm_modeset_unlock_all(dev);
+
drm_connector_register(&intel_connector->base);
}
@@ -489,7 +491,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_device *dev = connector->dev;
- intel_connector->unregister(intel_connector);
+ drm_connector_unregister(connector);
/* need to nuke the connector */
drm_modeset_lock_all(dev);
@@ -242,14 +242,6 @@ struct intel_connector {
* and active (i.e. dpms ON state). */
bool (*get_hw_state)(struct intel_connector *);
- /*
- * Removes all interfaces through which the connector is accessible
- * - like sysfs, debugfs entries -, so that no new operations can be
- * started on the connector. Also makes sure all currently pending
- * operations finish before returing.
- */
- void (*unregister)(struct intel_connector *);
-
/* Panel info for eDP and LVDS */
struct intel_panel panel;
@@ -1385,6 +1385,7 @@ static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs
static const struct drm_connector_funcs intel_dsi_connector_funcs = {
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_dsi_detect,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_dsi_connector_destroy,
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_dsi_set_property,
@@ -1461,7 +1462,6 @@ void intel_dsi_init(struct drm_device *dev)
intel_encoder->get_config = intel_dsi_get_config;
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
/*
* On BYT/CHV, pipe A maps to MIPI DSI port A, pipe B maps to MIPI DSI
@@ -1582,8 +1582,6 @@ void intel_dsi_init(struct drm_device *dev)
intel_dsi_add_properties(intel_connector);
- drm_connector_register(connector);
-
intel_panel_setup_backlight(connector, INVALID_PIPE);
return;
@@ -341,6 +341,7 @@ static void intel_dvo_destroy(struct drm_connector *connector)
static const struct drm_connector_funcs intel_dvo_connector_funcs = {
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_dvo_detect,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_dvo_destroy,
.fill_modes = drm_helper_probe_single_connector_modes,
.atomic_get_property = intel_connector_atomic_get_property,
@@ -438,7 +439,6 @@ void intel_dvo_init(struct drm_device *dev)
intel_encoder->compute_config = intel_dvo_compute_config;
intel_encoder->pre_enable = intel_dvo_pre_enable;
intel_connector->get_hw_state = intel_dvo_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
/* Now, try to find a controller */
for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
@@ -537,7 +537,6 @@ void intel_dvo_init(struct drm_device *dev)
intel_dvo->panel_wants_dither = true;
}
- drm_connector_register(connector);
return;
}
@@ -1774,6 +1774,7 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_hdmi_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_hdmi_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -1907,12 +1908,10 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
intel_hdmi_add_properties(intel_hdmi, connector);
intel_connector_attach_encoder(intel_connector, intel_encoder);
- drm_connector_register(connector);
intel_hdmi->attached_connector = intel_connector;
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
@@ -556,6 +556,7 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_lvds_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_lvds_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -992,7 +993,6 @@ void intel_lvds_init(struct drm_device *dev)
intel_encoder->get_hw_state = intel_lvds_get_hw_state;
intel_encoder->get_config = intel_lvds_get_config;
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
intel_connector_attach_encoder(intel_connector, intel_encoder);
intel_encoder->type = INTEL_OUTPUT_LVDS;
@@ -1129,7 +1129,6 @@ out:
DRM_DEBUG_KMS("lid notifier registration failed\n");
lvds_connector->lid_notifier.notifier_call = NULL;
}
- drm_connector_register(connector);
intel_panel_setup_backlight(connector, INVALID_PIPE);
@@ -2177,12 +2177,34 @@ done:
#undef CHECK_PROPERTY
}
+static int
+intel_sdvo_register(struct drm_connector *connector)
+{
+ struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+
+ return sysfs_create_link(&connector->kdev->kobj,
+ &sdvo->ddc.dev.kobj,
+ sdvo->ddc.dev.kobj.name);
+}
+
+static void
+intel_sdvo_connector_unregister(struct drm_connector *connector)
+{
+ struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+
+ sysfs_remove_link(&connector->kdev->kobj,
+ sdvo->ddc.dev.kobj.name);
+ intel_connector_unregister(connector);
+}
+
static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_sdvo_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_sdvo_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
+ .late_register = intel_sdvo_register,
+ .early_unregister = intel_sdvo_connector_unregister,
.destroy = intel_sdvo_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -2346,20 +2368,6 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
return 0x72;
}
-static void
-intel_sdvo_connector_unregister(struct intel_connector *intel_connector)
-{
- struct drm_connector *drm_connector;
- struct intel_sdvo *sdvo_encoder;
-
- drm_connector = &intel_connector->base;
- sdvo_encoder = intel_attached_sdvo(&intel_connector->base);
-
- sysfs_remove_link(&drm_connector->kdev->kobj,
- sdvo_encoder->ddc.dev.kobj.name);
- intel_connector_unregister(intel_connector);
-}
-
static int
intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
struct intel_sdvo *encoder)
@@ -2382,27 +2390,10 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
connector->base.base.doublescan_allowed = 0;
connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
- connector->base.unregister = intel_sdvo_connector_unregister;
intel_connector_attach_encoder(&connector->base, &encoder->base);
- ret = drm_connector_register(drm_connector);
- if (ret < 0)
- goto err1;
-
- ret = sysfs_create_link(&drm_connector->kdev->kobj,
- &encoder->ddc.dev.kobj,
- encoder->ddc.dev.kobj.name);
- if (ret < 0)
- goto err2;
return 0;
-
-err2:
- drm_connector_unregister(drm_connector);
-err1:
- drm_connector_cleanup(drm_connector);
-
- return ret;
}
static void
@@ -2529,7 +2520,6 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
return true;
err:
- drm_connector_unregister(connector);
intel_sdvo_destroy(connector);
return false;
}
@@ -2608,7 +2598,6 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
return true;
err:
- drm_connector_unregister(connector);
intel_sdvo_destroy(connector);
return false;
}
@@ -1501,6 +1501,7 @@ out:
static const struct drm_connector_funcs intel_tv_connector_funcs = {
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_tv_detect,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_tv_destroy,
.set_property = intel_tv_set_property,
.atomic_get_property = intel_connector_atomic_get_property,
@@ -1600,7 +1601,6 @@ intel_tv_init(struct drm_device *dev)
intel_encoder->disable = intel_disable_tv;
intel_encoder->get_hw_state = intel_tv_get_hw_state;
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
intel_connector_attach_encoder(intel_connector, intel_encoder);
intel_encoder->type = INTEL_OUTPUT_TVOUT;
@@ -1642,5 +1642,4 @@ intel_tv_init(struct drm_device *dev)
drm_object_attach_property(&connector->base,
dev->mode_config.tv_bottom_margin_property,
intel_tv->margin[TV_MARGIN_BOTTOM]);
- drm_connector_register(connector);
}
Don't try and present the connectors to userspace (via sysfs and other devices) before the driver is ready. Correspondingly, be sure to make the userspace interfaces disappear first. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> --- drivers/gpu/drm/i915/i915_dma.c | 2 ++ drivers/gpu/drm/i915/i915_drv.h | 4 ++- drivers/gpu/drm/i915/intel_crt.c | 4 +-- drivers/gpu/drm/i915/intel_display.c | 20 +++++++------ drivers/gpu/drm/i915/intel_dp.c | 58 +++++++++++++++++------------------- drivers/gpu/drm/i915/intel_dp_mst.c | 6 ++-- drivers/gpu/drm/i915/intel_drv.h | 8 ----- drivers/gpu/drm/i915/intel_dsi.c | 4 +-- drivers/gpu/drm/i915/intel_dvo.c | 3 +- drivers/gpu/drm/i915/intel_hdmi.c | 3 +- drivers/gpu/drm/i915/intel_lvds.c | 3 +- drivers/gpu/drm/i915/intel_sdvo.c | 55 ++++++++++++++-------------------- drivers/gpu/drm/i915/intel_tv.c | 3 +- 13 files changed, 75 insertions(+), 98 deletions(-)