Re: [PATCH v7 1/9] drm_dp_cec: add connector info support.

From: Hans Verkuil
Date: Mon Aug 26 2019 - 05:00:18 EST

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On 8/22/19 10:08 AM, Hans Verkuil wrote:
> Alex, Ville/Rodrigo, Ben,
>
> Can you (hopefully) Ack this patch so that I can merge it?

Ping!

Regards,

Hans

>
> Thank you!
>
> Hans
>
> On 8/14/19 12:44 PM, Dariusz Marcinkiewicz wrote:
>> 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 <darekm@xxxxxxxxxx>
>> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
>> Tested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
>> ---
>> .../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 16218a202b591..5ec14efd4d8cb 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 b15cee85b702b..b457c16c3a8bb 100644
>> --- a/drivers/gpu/drm/drm_dp_cec.c
>> +++ b/drivers/gpu/drm/drm_dp_cec.c
>> @@ -8,7 +8,9 @@
>> #include <linux/kernel.h>
>> #include <linux/module.h>
>> #include <linux/slab.h>
>> +#include <drm/drm_connector.h>
>> #include <drm/drm_dp_helper.h>
>> +#include <drm/drmP.h>
>> #include <media/cec.h>
>>
>> /*
>> @@ -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 1092499115760..de2486fe7bf2d 100644
>> --- a/drivers/gpu/drm/i915/display/intel_dp.c
>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
>> @@ -5497,7 +5497,6 @@ 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);
>> @@ -5512,8 +5511,7 @@ 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 330d7d29a6e34..8aa703347eb54 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 8364502f92cfe..7972b925a952b 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)
>> {
>> }
>>
>>
>
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Next message: Katsuhiro Suzuki: "Re: [PATCH] ASoC: es8316: limit headphone mixer volume"
Previous message: Hans Verkuil: "Re: [PATCH v7 2/9] drm/i915/intel_hdmi: use cec_notifier_conn_(un)register"
Next in thread: Ben Skeggs: "Re: [PATCH v7 1/9] drm_dp_cec: add connector info support."
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