On 04/11/2023 01:03, Dmitry Baryshkov wrote:
Use the freshly defined DRM_AUX_HPD_BRIDGE instead of open-coding the
same functionality for the DRM bridge chain termination.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Greg, Bryan, could you pease ack merging this patch through the drm-misc
tree together with the rest of the series?
You have acked patch 3, but since that time I added this one.
---
drivers/usb/typec/tcpm/Kconfig | 1 +
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 41 +++----------------
2 files changed, 7 insertions(+), 35 deletions(-)
diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig
index 0b2993fef564..64d5421c69e6 100644
--- a/drivers/usb/typec/tcpm/Kconfig
+++ b/drivers/usb/typec/tcpm/Kconfig
@@ -80,6 +80,7 @@ config TYPEC_QCOM_PMIC
tristate "Qualcomm PMIC USB Type-C Port Controller Manager driver"
depends on ARCH_QCOM || COMPILE_TEST
depends on DRM || DRM=n
+ select DRM_AUX_HPD_BRIDGE if DRM_BRIDGE
help
A Type-C port and Power Delivery driver which aggregates two
discrete pieces of silicon in the PM8150b PMIC block: the
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index 581199d37b49..1a2b4bddaa97 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -18,7 +18,7 @@
#include <linux/usb/tcpm.h>
#include <linux/usb/typec_mux.h>
-#include <drm/drm_bridge.h>
+#include <drm/bridge/aux-bridge.h>
#include "qcom_pmic_typec_pdphy.h"
#include "qcom_pmic_typec_port.h"
@@ -36,7 +36,6 @@ struct pmic_typec {
struct pmic_typec_port *pmic_typec_port;
bool vbus_enabled;
struct mutex lock; /* VBUS state serialization */
- struct drm_bridge bridge;
};
#define tcpc_to_tcpm(_tcpc_) container_of(_tcpc_, struct pmic_typec, tcpc)
@@ -150,35 +149,6 @@ static int qcom_pmic_typec_init(struct tcpc_dev *tcpc)
return 0;
}
-#if IS_ENABLED(CONFIG_DRM)
-static int qcom_pmic_typec_attach(struct drm_bridge *bridge,
- enum drm_bridge_attach_flags flags)
-{
- return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL;
-}
-
-static const struct drm_bridge_funcs qcom_pmic_typec_bridge_funcs = {
- .attach = qcom_pmic_typec_attach,
-};
-
-static int qcom_pmic_typec_init_drm(struct pmic_typec *tcpm)
-{
- tcpm->bridge.funcs = &qcom_pmic_typec_bridge_funcs;
-#ifdef CONFIG_OF
- tcpm->bridge.of_node = of_get_child_by_name(tcpm->dev->of_node, "connector");
-#endif
- tcpm->bridge.ops = DRM_BRIDGE_OP_HPD;
- tcpm->bridge.type = DRM_MODE_CONNECTOR_DisplayPort;
-
- return devm_drm_bridge_add(tcpm->dev, &tcpm->bridge);
-}
-#else
-static int qcom_pmic_typec_init_drm(struct pmic_typec *tcpm)
-{
- return 0;
-}
-#endif
-
static int qcom_pmic_typec_probe(struct platform_device *pdev)
{
struct pmic_typec *tcpm;
@@ -186,6 +156,7 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
const struct pmic_typec_resources *res;
struct regmap *regmap;
+ struct device *bridge_dev;
u32 base[2];
int ret;
@@ -241,14 +212,14 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
mutex_init(&tcpm->lock);
platform_set_drvdata(pdev, tcpm);
- ret = qcom_pmic_typec_init_drm(tcpm);
- if (ret)
- return ret;
-
tcpm->tcpc.fwnode = device_get_named_child_node(tcpm->dev, "connector");
if (!tcpm->tcpc.fwnode)
return -EINVAL;
+ bridge_dev = drm_dp_hpd_bridge_register(tcpm->dev, to_of_node(tcpm->tcpc.fwnode));
+ if (IS_ERR(bridge_dev))
+ return PTR_ERR(bridge_dev);
+
tcpm->tcpm_port = tcpm_register_port(tcpm->dev, &tcpm->tcpc);
if (IS_ERR(tcpm->tcpm_port)) {
ret = PTR_ERR(tcpm->tcpm_port);
--
With best wishes
Dmitry
