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a="359589898" X-IronPort-AV: E=Sophos;i="6.01,249,1684825200"; d="scan'208";a="359589898" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Aug 2023 04:00:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="872438426" Received: from kuha.fi.intel.com ([10.237.72.185]) by fmsmga001.fm.intel.com with SMTP; 02 Aug 2023 04:00:19 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Wed, 02 Aug 2023 14:00:16 +0300 Date: Wed, 2 Aug 2023 14:00:16 +0300 From: Heikki Krogerus To: Dmitry Baryshkov Cc: David Airlie , Daniel Vetter , Andy Gross , Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I , Greg Kroah-Hartman , Neil Armstrong , dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org, freedreno@lists.freedesktop.org Subject: Re: [PATCH v3 3/3] usb: typec: nb7vpq904m: switch to DRM_SIMPLE_BRIDGE Message-ID: References: <20230802011845.4176631-1-dmitry.baryshkov@linaro.org> <20230802011845.4176631-4-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230802011845.4176631-4-dmitry.baryshkov@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230802_040038_258190_37AAFD25 X-CRM114-Status: GOOD ( 23.90 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Wed, Aug 02, 2023 at 04:18:45AM +0300, Dmitry Baryshkov wrote: > Switch to using the new DRM_SIMPLE_BRIDGE helper to create the > transparent DRM bridge device instead of handcoding corresponding > functionality. > > Signed-off-by: Dmitry Baryshkov Reviewed-by: Heikki Krogerus > --- > drivers/usb/typec/mux/Kconfig | 2 +- > drivers/usb/typec/mux/nb7vpq904m.c | 44 ++---------------------------- > 2 files changed, 3 insertions(+), 43 deletions(-) > > diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig > index 784b9d8107e9..350a7ffce67e 100644 > --- a/drivers/usb/typec/mux/Kconfig > +++ b/drivers/usb/typec/mux/Kconfig > @@ -39,7 +39,7 @@ config TYPEC_MUX_NB7VPQ904M > tristate "On Semiconductor NB7VPQ904M Type-C redriver driver" > depends on I2C > depends on DRM || DRM=n > - select DRM_PANEL_BRIDGE if DRM > + select DRM_SIMPLE_BRIDGE if DRM > select REGMAP_I2C > help > Say Y or M if your system has a On Semiconductor NB7VPQ904M Type-C > diff --git a/drivers/usb/typec/mux/nb7vpq904m.c b/drivers/usb/typec/mux/nb7vpq904m.c > index 9360b65e8b06..c89a956412ea 100644 > --- a/drivers/usb/typec/mux/nb7vpq904m.c > +++ b/drivers/usb/typec/mux/nb7vpq904m.c > @@ -11,7 +11,7 @@ > #include > #include > #include > -#include > +#include > #include > #include > #include > @@ -70,8 +70,6 @@ struct nb7vpq904m { > bool swap_data_lanes; > struct typec_switch *typec_switch; > > - struct drm_bridge bridge; > - > struct mutex lock; /* protect non-concurrent retimer & switch */ > > enum typec_orientation orientation; > @@ -297,44 +295,6 @@ static int nb7vpq904m_retimer_set(struct typec_retimer *retimer, struct typec_re > return ret; > } > > -#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE) > -static int nb7vpq904m_bridge_attach(struct drm_bridge *bridge, > - enum drm_bridge_attach_flags flags) > -{ > - struct nb7vpq904m *nb7 = container_of(bridge, struct nb7vpq904m, bridge); > - struct drm_bridge *next_bridge; > - > - if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) > - return -EINVAL; > - > - next_bridge = devm_drm_of_get_bridge(&nb7->client->dev, nb7->client->dev.of_node, 0, 0); > - if (IS_ERR(next_bridge)) { > - dev_err(&nb7->client->dev, "failed to acquire drm_bridge: %pe\n", next_bridge); > - return PTR_ERR(next_bridge); > - } > - > - return drm_bridge_attach(bridge->encoder, next_bridge, bridge, > - DRM_BRIDGE_ATTACH_NO_CONNECTOR); > -} > - > -static const struct drm_bridge_funcs nb7vpq904m_bridge_funcs = { > - .attach = nb7vpq904m_bridge_attach, > -}; > - > -static int nb7vpq904m_register_bridge(struct nb7vpq904m *nb7) > -{ > - nb7->bridge.funcs = &nb7vpq904m_bridge_funcs; > - nb7->bridge.of_node = nb7->client->dev.of_node; > - > - return devm_drm_bridge_add(&nb7->client->dev, &nb7->bridge); > -} > -#else > -static int nb7vpq904m_register_bridge(struct nb7vpq904m *nb7) > -{ > - return 0; > -} > -#endif > - > static const struct regmap_config nb7_regmap = { > .max_register = 0x1f, > .reg_bits = 8, > @@ -461,7 +421,7 @@ static int nb7vpq904m_probe(struct i2c_client *client) > > gpiod_set_value(nb7->enable_gpio, 1); > > - ret = nb7vpq904m_register_bridge(nb7); > + ret = drm_simple_bridge_register(dev); > if (ret) > return ret; > > -- > 2.39.2 -- heikki -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy