From ae85b0df124f6928709f6707db55457f369bcb27 Mon Sep 17 00:00:00 2001 From: Dariusz Marcinkiewicz Date: Wed, 14 Aug 2019 12:44:59 +0200 Subject: [PATCH] drm_dp_cec: add connector info support. Pass the connector info to the CEC adapter. This makes it possible to associate the CEC adapter with the corresponding drm connector. Signed-off-by: Dariusz Marcinkiewicz Signed-off-by: Hans Verkuil Tested-by: Hans Verkuil Reviewed-by: Lyude Paul Reviewed-by: Ben Skeggs Signed-off-by: Hans Verkuil Link: https://patchwork.freedesktop.org/patch/msgid/20190814104520.6001-2-darekm@google.com --- .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- drivers/gpu/drm/drm_dp_cec.c | 25 ++++++++++++++-------- drivers/gpu/drm/i915/display/intel_dp.c | 4 +--- drivers/gpu/drm/nouveau/nouveau_connector.c | 3 +-- include/drm/drm_dp_helper.h | 17 +++++++-------- 5 files changed, 27 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 16218a202b59..5ec14efd4d8c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -416,7 +416,7 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, drm_dp_aux_register(&aconnector->dm_dp_aux.aux); drm_dp_cec_register_connector(&aconnector->dm_dp_aux.aux, - aconnector->base.name, dm->adev->dev); + &aconnector->base); aconnector->mst_mgr.cbs = &dm_mst_cbs; drm_dp_mst_topology_mgr_init( &aconnector->mst_mgr, diff --git a/drivers/gpu/drm/drm_dp_cec.c b/drivers/gpu/drm/drm_dp_cec.c index b15cee85b702..b457c16c3a8b 100644 --- a/drivers/gpu/drm/drm_dp_cec.c +++ b/drivers/gpu/drm/drm_dp_cec.c @@ -8,7 +8,9 @@ #include #include #include +#include #include +#include #include /* @@ -295,7 +297,10 @@ static void drm_dp_cec_unregister_work(struct work_struct *work) */ void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) { - u32 cec_caps = CEC_CAP_DEFAULTS | CEC_CAP_NEEDS_HPD; + struct drm_connector *connector = aux->cec.connector; + u32 cec_caps = CEC_CAP_DEFAULTS | CEC_CAP_NEEDS_HPD | + CEC_CAP_CONNECTOR_INFO; + struct cec_connector_info conn_info; unsigned int num_las = 1; u8 cap; @@ -344,13 +349,17 @@ void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid) /* Create a new adapter */ aux->cec.adap = cec_allocate_adapter(&drm_dp_cec_adap_ops, - aux, aux->cec.name, cec_caps, + aux, connector->name, cec_caps, num_las); if (IS_ERR(aux->cec.adap)) { aux->cec.adap = NULL; goto unlock; } - if (cec_register_adapter(aux->cec.adap, aux->cec.parent)) { + + cec_fill_conn_info_from_drm(&conn_info, connector); + cec_s_conn_info(aux->cec.adap, &conn_info); + + if (cec_register_adapter(aux->cec.adap, connector->dev->dev)) { cec_delete_adapter(aux->cec.adap); aux->cec.adap = NULL; } else { @@ -406,22 +415,20 @@ EXPORT_SYMBOL(drm_dp_cec_unset_edid); /** * drm_dp_cec_register_connector() - register a new connector * @aux: DisplayPort AUX channel - * @name: name of the CEC device - * @parent: parent device + * @connector: drm connector * * A new connector was registered with associated CEC adapter name and * CEC adapter parent device. After registering the name and parent * drm_dp_cec_set_edid() is called to check if the connector supports * CEC and to register a CEC adapter if that is the case. */ -void drm_dp_cec_register_connector(struct drm_dp_aux *aux, const char *name, - struct device *parent) +void drm_dp_cec_register_connector(struct drm_dp_aux *aux, + struct drm_connector *connector) { WARN_ON(aux->cec.adap); if (WARN_ON(!aux->transfer)) return; - aux->cec.name = name; - aux->cec.parent = parent; + aux->cec.connector = connector; INIT_DELAYED_WORK(&aux->cec.unregister_work, drm_dp_cec_unregister_work); } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 4336df46fe78..79c8afdbc486 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5693,7 +5693,6 @@ static int intel_dp_connector_register(struct drm_connector *connector) { struct intel_dp *intel_dp = intel_attached_dp(connector); - struct drm_device *dev = connector->dev; int ret; ret = intel_connector_register(connector); @@ -5708,8 +5707,7 @@ intel_dp_connector_register(struct drm_connector *connector) intel_dp->aux.dev = connector->kdev; ret = drm_dp_aux_register(&intel_dp->aux); if (!ret) - drm_dp_cec_register_connector(&intel_dp->aux, - connector->name, dev->dev); + drm_dp_cec_register_connector(&intel_dp->aux, connector); return ret; } diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 330d7d29a6e3..8aa703347eb5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -1416,8 +1416,7 @@ nouveau_connector_create(struct drm_device *dev, switch (type) { case DRM_MODE_CONNECTOR_DisplayPort: case DRM_MODE_CONNECTOR_eDP: - drm_dp_cec_register_connector(&nv_connector->aux, - connector->name, dev->dev); + drm_dp_cec_register_connector(&nv_connector->aux, connector); break; } diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 8364502f92cf..7972b925a952 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1230,20 +1230,19 @@ struct drm_dp_aux_msg { struct cec_adapter; struct edid; +struct drm_connector; /** * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX * @lock: mutex protecting this struct * @adap: the CEC adapter for CEC-Tunneling-over-AUX support. - * @name: name of the CEC adapter - * @parent: parent device of the CEC adapter + * @connector: the connector this CEC adapter is associated with * @unregister_work: unregister the CEC adapter */ struct drm_dp_aux_cec { struct mutex lock; struct cec_adapter *adap; - const char *name; - struct device *parent; + struct drm_connector *connector; struct delayed_work unregister_work; }; @@ -1451,8 +1450,8 @@ drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) #ifdef CONFIG_DRM_DP_CEC void drm_dp_cec_irq(struct drm_dp_aux *aux); -void drm_dp_cec_register_connector(struct drm_dp_aux *aux, const char *name, - struct device *parent); +void drm_dp_cec_register_connector(struct drm_dp_aux *aux, + struct drm_connector *connector); void drm_dp_cec_unregister_connector(struct drm_dp_aux *aux); void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid); void drm_dp_cec_unset_edid(struct drm_dp_aux *aux); @@ -1461,9 +1460,9 @@ static inline void drm_dp_cec_irq(struct drm_dp_aux *aux) { } -static inline void drm_dp_cec_register_connector(struct drm_dp_aux *aux, - const char *name, - struct device *parent) +static inline void +drm_dp_cec_register_connector(struct drm_dp_aux *aux, + struct drm_connector *connector) { } -- 2.11.0