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Message-ID: <8b61418b-c41b-ca2f-b230-ce8cb7bc691a@suse.de>
Date: Tue, 10 Dec 2019 16:26:26 +0100
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Mihail Atanassov <Mihail.Atanassov@....com>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Cc: nd <nd@....com>, Andrzej Hajda <a.hajda@...sung.com>,
Neil Armstrong <narmstrong@...libre.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Peter Senna Tschudin <peter.senna@...il.com>,
Martyn Welch <martyn.welch@...labora.co.uk>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Russell King <linux@...linux.org.uk>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
"freedreno@...ts.freedesktop.org" <freedreno@...ts.freedesktop.org>,
"linux-renesas-soc@...r.kernel.org"
<linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH] drm: remove drm_bridge->dev
Am 10.12.19 um 16:25 schrieb Thomas Zimmermann:
>
>
> Am 10.12.19 um 16:11 schrieb Mihail Atanassov:
>> As suggested in [1], the 'dev' field is a bit repetitive, since it 1:1
>> follows the setting and NULLing of the 'encoder' field. Therefore, use
>> drm_bridge->encoder->dev in place of drm_bridge->dev.
>>
>> [1] https://patchwork.freedesktop.org/patch/343824/
>>
>> Cc: Daniel Vetter <daniel@...ll.ch>
>> Suggested-by: Thomas Zimmermann <tzimmermann@...e.de>
>> Signed-off-by: Mihail Atanassov <mihail.atanassov@....com>
>
> Nice.
>
> Acked-by: Thomas Zimmermann
Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
>
>> ---
>> drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 2 +-
>> drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 2 +-
>> drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 2 +-
>> drivers/gpu/drm/bridge/cdns-dsi.c | 2 +-
>> drivers/gpu/drm/bridge/dumb-vga-dac.c | 2 +-
>> .../gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c | 2 +-
>> drivers/gpu/drm/bridge/nxp-ptn3460.c | 2 +-
>> drivers/gpu/drm/bridge/panel.c | 2 +-
>> drivers/gpu/drm/bridge/parade-ps8622.c | 2 +-
>> drivers/gpu/drm/bridge/sii902x.c | 6 +++---
>> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 +++---
>> drivers/gpu/drm/bridge/tc358764.c | 4 ++--
>> drivers/gpu/drm/bridge/tc358767.c | 6 +++---
>> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
>> drivers/gpu/drm/bridge/ti-tfp410.c | 6 +++---
>> drivers/gpu/drm/drm_bridge.c | 10 ++++------
>> drivers/gpu/drm/i2c/tda998x_drv.c | 2 +-
>> drivers/gpu/drm/mcde/mcde_dsi.c | 2 +-
>> drivers/gpu/drm/msm/edp/edp_bridge.c | 2 +-
>> drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 4 ++--
>> drivers/gpu/drm/rcar-du/rcar_lvds.c | 3 ++-
>> include/drm/drm_bridge.h | 2 --
>> 22 files changed, 35 insertions(+), 38 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
>> index 9e13e466e72c..009cf1fef8d4 100644
>> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
>> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
>> @@ -863,7 +863,7 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge)
>> adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
>> DRM_CONNECTOR_POLL_DISCONNECT;
>>
>> - ret = drm_connector_init(bridge->dev, &adv->connector,
>> + ret = drm_connector_init(bridge->encoder->dev, &adv->connector,
>> &adv7511_connector_funcs,
>> DRM_MODE_CONNECTOR_HDMIA);
>> if (ret) {
>> diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
>> index 9917ce0d86a0..5b806d23fcb3 100644
>> --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
>> +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
>> @@ -541,7 +541,7 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge)
>> return err;
>> }
>>
>> - err = drm_connector_init(bridge->dev, &anx6345->connector,
>> + err = drm_connector_init(bridge->encoder->dev, &anx6345->connector,
>> &anx6345_connector_funcs,
>> DRM_MODE_CONNECTOR_eDP);
>> if (err) {
>> diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
>> index 41867be03751..7463537950cb 100644
>> --- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
>> +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
>> @@ -908,7 +908,7 @@ static int anx78xx_bridge_attach(struct drm_bridge *bridge)
>> return err;
>> }
>>
>> - err = drm_connector_init(bridge->dev, &anx78xx->connector,
>> + err = drm_connector_init(bridge->encoder->dev, &anx78xx->connector,
>> &anx78xx_connector_funcs,
>> DRM_MODE_CONNECTOR_DisplayPort);
>> if (err) {
>> diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
>> index 3a5bd4e7fd1e..32863e3ad537 100644
>> --- a/drivers/gpu/drm/bridge/cdns-dsi.c
>> +++ b/drivers/gpu/drm/bridge/cdns-dsi.c
>> @@ -651,7 +651,7 @@ static int cdns_dsi_bridge_attach(struct drm_bridge *bridge)
>> struct cdns_dsi *dsi = input_to_dsi(input);
>> struct cdns_dsi_output *output = &dsi->output;
>>
>> - if (!drm_core_check_feature(bridge->dev, DRIVER_ATOMIC)) {
>> + if (!drm_core_check_feature(bridge->encoder->dev, DRIVER_ATOMIC)) {
>> dev_err(dsi->base.dev,
>> "cdns-dsi driver is only compatible with DRM devices supporting atomic updates");
>> return -ENOTSUPP;
>> diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c
>> index cc33dc411b9e..67ad6cecf68d 100644
>> --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c
>> +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c
>> @@ -112,7 +112,7 @@ static int dumb_vga_attach(struct drm_bridge *bridge)
>>
>> drm_connector_helper_add(&vga->connector,
>> &dumb_vga_con_helper_funcs);
>> - ret = drm_connector_init_with_ddc(bridge->dev, &vga->connector,
>> + ret = drm_connector_init_with_ddc(bridge->encoder->dev, &vga->connector,
>> &dumb_vga_con_funcs,
>> DRM_MODE_CONNECTOR_VGA,
>> vga->ddc);
>> diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
>> index e8a49f6146c6..c914f01e4707 100644
>> --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
>> +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
>> @@ -223,7 +223,7 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge)
>> drm_connector_helper_add(connector,
>> &ge_b850v3_lvds_connector_helper_funcs);
>>
>> - ret = drm_connector_init(bridge->dev, connector,
>> + ret = drm_connector_init(bridge->encoder->dev, connector,
>> &ge_b850v3_lvds_connector_funcs,
>> DRM_MODE_CONNECTOR_DisplayPort);
>> if (ret) {
>> diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
>> index 57ff01339559..3999bb864eb9 100644
>> --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
>> +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
>> @@ -247,7 +247,7 @@ static int ptn3460_bridge_attach(struct drm_bridge *bridge)
>> }
>>
>> ptn_bridge->connector.polled = DRM_CONNECTOR_POLL_HPD;
>> - ret = drm_connector_init(bridge->dev, &ptn_bridge->connector,
>> + ret = drm_connector_init(bridge->encoder->dev, &ptn_bridge->connector,
>> &ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
>> if (ret) {
>> DRM_ERROR("Failed to initialize connector with drm\n");
>> diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
>> index f66777e24968..4ba4e9d9537a 100644
>> --- a/drivers/gpu/drm/bridge/panel.c
>> +++ b/drivers/gpu/drm/bridge/panel.c
>> @@ -67,7 +67,7 @@ static int panel_bridge_attach(struct drm_bridge *bridge)
>> drm_connector_helper_add(connector,
>> &panel_bridge_connector_helper_funcs);
>>
>> - ret = drm_connector_init(bridge->dev, connector,
>> + ret = drm_connector_init(bridge->encoder->dev, connector,
>> &panel_bridge_connector_funcs,
>> panel_bridge->connector_type);
>> if (ret) {
>> diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c
>> index 10c47c008b40..c32af9c2bbcc 100644
>> --- a/drivers/gpu/drm/bridge/parade-ps8622.c
>> +++ b/drivers/gpu/drm/bridge/parade-ps8622.c
>> @@ -487,7 +487,7 @@ static int ps8622_attach(struct drm_bridge *bridge)
>> }
>>
>> ps8622->connector.polled = DRM_CONNECTOR_POLL_HPD;
>> - ret = drm_connector_init(bridge->dev, &ps8622->connector,
>> + ret = drm_connector_init(bridge->encoder->dev, &ps8622->connector,
>> &ps8622_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
>> if (ret) {
>> DRM_ERROR("Failed to initialize connector with drm\n");
>> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
>> index b70e8c5cf2e1..6ca297d78a26 100644
>> --- a/drivers/gpu/drm/bridge/sii902x.c
>> +++ b/drivers/gpu/drm/bridge/sii902x.c
>> @@ -402,7 +402,7 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge,
>> static int sii902x_bridge_attach(struct drm_bridge *bridge)
>> {
>> struct sii902x *sii902x = bridge_to_sii902x(bridge);
>> - struct drm_device *drm = bridge->dev;
>> + struct drm_device *drm = bridge->encoder->dev;
>> int ret;
>>
>> drm_connector_helper_add(&sii902x->connector,
>> @@ -820,8 +820,8 @@ static irqreturn_t sii902x_interrupt(int irq, void *data)
>>
>> mutex_unlock(&sii902x->mutex);
>>
>> - if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.dev)
>> - drm_helper_hpd_irq_event(sii902x->bridge.dev);
>> + if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.encoder)
>> + drm_helper_hpd_irq_event(sii902x->bridge.encoder->dev);
>>
>> return IRQ_HANDLED;
>> }
>> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> index dbe38a54870b..99274ca0fdf6 100644
>> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
>> @@ -2346,7 +2346,7 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
>>
>> drm_connector_helper_add(connector, &dw_hdmi_connector_helper_funcs);
>>
>> - drm_connector_init_with_ddc(bridge->dev, connector,
>> + drm_connector_init_with_ddc(bridge->encoder->dev, connector,
>> &dw_hdmi_connector_funcs,
>> DRM_MODE_CONNECTOR_HDMIA,
>> hdmi->ddc);
>> @@ -2554,8 +2554,8 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
>> if (intr_stat & HDMI_IH_PHY_STAT0_HPD) {
>> dev_dbg(hdmi->dev, "EVENT=%s\n",
>> phy_int_pol & HDMI_PHY_HPD ? "plugin" : "plugout");
>> - if (hdmi->bridge.dev)
>> - drm_helper_hpd_irq_event(hdmi->bridge.dev);
>> + if (hdmi->bridge.encoder)
>> + drm_helper_hpd_irq_event(hdmi->bridge.encoder->dev);
>> }
>>
>> hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0);
>> diff --git a/drivers/gpu/drm/bridge/tc358764.c b/drivers/gpu/drm/bridge/tc358764.c
>> index 96207fcfde19..e35e17b1f396 100644
>> --- a/drivers/gpu/drm/bridge/tc358764.c
>> +++ b/drivers/gpu/drm/bridge/tc358764.c
>> @@ -352,7 +352,7 @@ static void tc358764_enable(struct drm_bridge *bridge)
>> static int tc358764_attach(struct drm_bridge *bridge)
>> {
>> struct tc358764 *ctx = bridge_to_tc358764(bridge);
>> - struct drm_device *drm = bridge->dev;
>> + struct drm_device *drm = bridge->encoder->dev;
>> int ret;
>>
>> ctx->connector.polled = DRM_CONNECTOR_POLL_HPD;
>> @@ -378,7 +378,7 @@ static int tc358764_attach(struct drm_bridge *bridge)
>> static void tc358764_detach(struct drm_bridge *bridge)
>> {
>> struct tc358764 *ctx = bridge_to_tc358764(bridge);
>> - struct drm_device *drm = bridge->dev;
>> + struct drm_device *drm = bridge->encoder->dev;
>>
>> drm_connector_unregister(&ctx->connector);
>> drm_fb_helper_remove_one_connector(drm->fb_helper, &ctx->connector);
>> diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
>> index 3709e5ace724..ab1524c00777 100644
>> --- a/drivers/gpu/drm/bridge/tc358767.c
>> +++ b/drivers/gpu/drm/bridge/tc358767.c
>> @@ -1407,7 +1407,7 @@ static int tc_bridge_attach(struct drm_bridge *bridge)
>> {
>> u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
>> struct tc_data *tc = bridge_to_tc(bridge);
>> - struct drm_device *drm = bridge->dev;
>> + struct drm_device *drm = bridge->encoder->dev;
>> int ret;
>>
>> /* Create DP/eDP connector */
>> @@ -1514,7 +1514,7 @@ static irqreturn_t tc_irq_handler(int irq, void *arg)
>> dev_err(tc->dev, "syserr %x\n", stat);
>> }
>>
>> - if (tc->hpd_pin >= 0 && tc->bridge.dev) {
>> + if (tc->hpd_pin >= 0 && tc->bridge.encoder) {
>> /*
>> * H is triggered when the GPIO goes high.
>> *
>> @@ -1528,7 +1528,7 @@ static irqreturn_t tc_irq_handler(int irq, void *arg)
>> h ? "H" : "", lc ? "LC" : "");
>>
>> if (h || lc)
>> - drm_kms_helper_hotplug_event(tc->bridge.dev);
>> + drm_kms_helper_hotplug_event(tc->bridge.encoder->dev);
>> }
>>
>> regmap_write(tc->regmap, INTSTS_G, val);
>> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
>> index 9a2dd986afa5..8a4e64cfca1e 100644
>> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
>> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
>> @@ -275,7 +275,7 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge)
>> .node = NULL,
>> };
>>
>> - ret = drm_connector_init(bridge->dev, &pdata->connector,
>> + ret = drm_connector_init(bridge->encoder->dev, &pdata->connector,
>> &ti_sn_bridge_connector_funcs,
>> DRM_MODE_CONNECTOR_eDP);
>> if (ret) {
>> diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
>> index aa3198dc9903..76229367e2f4 100644
>> --- a/drivers/gpu/drm/bridge/ti-tfp410.c
>> +++ b/drivers/gpu/drm/bridge/ti-tfp410.c
>> @@ -135,7 +135,7 @@ static int tfp410_attach(struct drm_bridge *bridge)
>>
>> drm_connector_helper_add(&dvi->connector,
>> &tfp410_con_helper_funcs);
>> - ret = drm_connector_init_with_ddc(bridge->dev, &dvi->connector,
>> + ret = drm_connector_init_with_ddc(bridge->encoder->dev, &dvi->connector,
>> &tfp410_con_funcs,
>> dvi->connector_type,
>> dvi->ddc);
>> @@ -179,8 +179,8 @@ static void tfp410_hpd_work_func(struct work_struct *work)
>>
>> dvi = container_of(work, struct tfp410, hpd_work.work);
>>
>> - if (dvi->bridge.dev)
>> - drm_helper_hpd_irq_event(dvi->bridge.dev);
>> + if (dvi->bridge.encoder)
>> + drm_helper_hpd_irq_event(dvi->bridge.encoder->dev);
>> }
>>
>> static irqreturn_t tfp410_hpd_irq_thread(int irq, void *arg)
>> diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
>> index c2cf0c90fa26..eaa20804b038 100644
>> --- a/drivers/gpu/drm/drm_bridge.c
>> +++ b/drivers/gpu/drm/drm_bridge.c
>> @@ -119,13 +119,12 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
>> if (!encoder || !bridge)
>> return -EINVAL;
>>
>> - if (previous && (!previous->dev || previous->encoder != encoder))
>> + if (previous && (previous->encoder != encoder))
>> return -EINVAL;
>>
>> - if (bridge->dev)
>> + if (bridge->encoder)
>> return -EBUSY;
>>
>> - bridge->dev = encoder->dev;
>> bridge->encoder = encoder;
>>
>> if (previous)
>> @@ -137,7 +136,6 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
>> ret = bridge->funcs->attach(bridge);
>> if (ret < 0) {
>> list_del(&bridge->chain_node);
>> - bridge->dev = NULL;
>> bridge->encoder = NULL;
>> return ret;
>> }
>> @@ -152,14 +150,14 @@ void drm_bridge_detach(struct drm_bridge *bridge)
>> if (WARN_ON(!bridge))
>> return;
>>
>> - if (WARN_ON(!bridge->dev))
>> + if (WARN_ON(!bridge->encoder))
>> return;
>>
>> if (bridge->funcs->detach)
>> bridge->funcs->detach(bridge);
>>
>> list_del(&bridge->chain_node);
>> - bridge->dev = NULL;
>> + bridge->encoder = NULL;
>> }
>>
>> /**
>> diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
>> index a63790d32d75..17a66ef3dfd4 100644
>> --- a/drivers/gpu/drm/i2c/tda998x_drv.c
>> +++ b/drivers/gpu/drm/i2c/tda998x_drv.c
>> @@ -1360,7 +1360,7 @@ static int tda998x_bridge_attach(struct drm_bridge *bridge)
>> {
>> struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge);
>>
>> - return tda998x_connector_init(priv, bridge->dev);
>> + return tda998x_connector_init(priv, bridge->encoder->dev);
>> }
>>
>> static void tda998x_bridge_detach(struct drm_bridge *bridge)
>> diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
>> index 42fff811653e..c08d7ede9fb8 100644
>> --- a/drivers/gpu/drm/mcde/mcde_dsi.c
>> +++ b/drivers/gpu/drm/mcde/mcde_dsi.c
>> @@ -846,7 +846,7 @@ static void mcde_dsi_bridge_disable(struct drm_bridge *bridge)
>> static int mcde_dsi_bridge_attach(struct drm_bridge *bridge)
>> {
>> struct mcde_dsi *d = bridge_to_mcde_dsi(bridge);
>> - struct drm_device *drm = bridge->dev;
>> + struct drm_device *drm = bridge->encoder->dev;
>> int ret;
>>
>> if (!drm_core_check_feature(drm, DRIVER_ATOMIC)) {
>> diff --git a/drivers/gpu/drm/msm/edp/edp_bridge.c b/drivers/gpu/drm/msm/edp/edp_bridge.c
>> index b65b5cc2dba2..301dd7a80bde 100644
>> --- a/drivers/gpu/drm/msm/edp/edp_bridge.c
>> +++ b/drivers/gpu/drm/msm/edp/edp_bridge.c
>> @@ -47,7 +47,7 @@ static void edp_bridge_mode_set(struct drm_bridge *bridge,
>> const struct drm_display_mode *mode,
>> const struct drm_display_mode *adjusted_mode)
>> {
>> - struct drm_device *dev = bridge->dev;
>> + struct drm_device *dev = bridge->encoder->dev;
>> struct drm_connector *connector;
>> struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
>> struct msm_edp *edp = edp_bridge->edp;
>> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
>> index ba81338a9bf8..07c098dce310 100644
>> --- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
>> +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
>> @@ -20,7 +20,7 @@ void msm_hdmi_bridge_destroy(struct drm_bridge *bridge)
>>
>> static void msm_hdmi_power_on(struct drm_bridge *bridge)
>> {
>> - struct drm_device *dev = bridge->dev;
>> + struct drm_device *dev = bridge->encoder->dev;
>> struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
>> struct hdmi *hdmi = hdmi_bridge->hdmi;
>> const struct hdmi_platform_config *config = hdmi->config;
>> @@ -56,7 +56,7 @@ static void msm_hdmi_power_on(struct drm_bridge *bridge)
>>
>> static void power_off(struct drm_bridge *bridge)
>> {
>> - struct drm_device *dev = bridge->dev;
>> + struct drm_device *dev = bridge->encoder->dev;
>> struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
>> struct hdmi *hdmi = hdmi_bridge->hdmi;
>> const struct hdmi_platform_config *config = hdmi->config;
>> diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
>> index 2cf44b91853c..83538125a722 100644
>> --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
>> +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
>> @@ -622,7 +622,8 @@ static int rcar_lvds_attach(struct drm_bridge *bridge)
>> if (!lvds->panel)
>> return 0;
>>
>> - ret = drm_connector_init(bridge->dev, connector, &rcar_lvds_conn_funcs,
>> + ret = drm_connector_init(bridge->encoder->dev, connector,
>> + &rcar_lvds_conn_funcs,
>> DRM_MODE_CONNECTOR_LVDS);
>> if (ret < 0)
>> return ret;
>> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
>> index 694e153a7531..695d0898df38 100644
>> --- a/include/drm/drm_bridge.h
>> +++ b/include/drm/drm_bridge.h
>> @@ -380,8 +380,6 @@ struct drm_bridge_timings {
>> * struct drm_bridge - central DRM bridge control structure
>> */
>> struct drm_bridge {
>> - /** @dev: DRM device this bridge belongs to */
>> - struct drm_device *dev;
>> /** @encoder: encoder to which this bridge is connected */
>> struct drm_encoder *encoder;
>> /** @chain_node: used to form a bridge chain */
>>
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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