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Message-ID: <20191210101250.GQ624164@phenom.ffwll.local>
Date: Tue, 10 Dec 2019 11:12:50 +0100
From: Daniel Vetter <daniel@...ll.ch>
To: Thomas Zimmermann <tzimmermann@...e.de>
Cc: Mihail Atanassov <Mihail.Atanassov@....com>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Jonas Karlman <jonas@...boo.se>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel.vetter@...ll.ch>,
Neil Armstrong <narmstrong@...libre.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
nd <nd@....com>
Subject: Re: [PATCH] drm: Rename drm_bridge->dev to drm
On Fri, Dec 06, 2019 at 12:59:04PM +0100, Thomas Zimmermann wrote:
> Hi
>
> Am 06.12.19 um 12:25 schrieb Mihail Atanassov:
> > Hallo Thomas,
> >
> > On Thursday, 5 December 2019 18:20:06 GMT Thomas Zimmermann wrote:
> >> Hi
> >>
> >> Am 05.12.19 um 17:30 schrieb Mihail Atanassov:
> >>> The 'dev' name causes some confusion with 'struct device' [1][2], so use
> >>> 'drm' instead since this seems to be the prevalent name for 'struct
> >>> drm_device' members.
> >>>
> >>> [1] https://patchwork.freedesktop.org/patch/342472/?series=70039&rev=1
> >>> [2] https://patchwork.freedesktop.org/patch/343643/?series=70432&rev=1
> >>
> >> I read through the provided links, but can't see why is it called 'drm'.
> >> That sounds like a reference to a DRM driver structure to me.
> >
> > There are about 550 hits on 'struct drm_device *drm', so I gathered that
> > it's the most common alternative to just naming it 'dev' (at about 4.5k
> > hits in the codebase). There's also 'ddev', 'drm_dev', 'drmdev' with
> > few hits.
> >
> >>
> >> What about attached_dev or consumer_dev or encoder_dev?
> >
> > Those would be more descriptive, if you think it's worth sidestepping
> > the above convention a bit. I don't mind either way.
>
> Well, I don't have a say on these things, but it's worth considering a
> more descriptive name IMHO.
>
> I also wonder why that field is there in the first place. Invoking
> drm_bridge_attach() sets the encoder and its dev field for the bridge.
> [1] Could the dev field be removed and all users refer to encoder->dev
> instead? If so, it seems like the better way to go.
That sounds like a pretty neat idea (if possible) ...
-Daniel
>
> Best regards
> Thomas
>
> [1]
> https://elixir.bootlin.com/linux/v5.4.2/source/drivers/gpu/drm/drm_bridge.c#L128
>
> >
> >>
> >> Best regards
> >> Thomas
> >>
> >>>
> >>> Cc: Daniel Vetter <daniel.vetter@...ll.ch>
> >>> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> >>> Signed-off-by: Mihail Atanassov <mihail.atanassov@....com>
> >>> ---
> >>> 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 | 12 ++++++------
> >>> 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 | 2 +-
> >>> include/drm/drm_bridge.h | 4 ++--
> >>> 22 files changed, 38 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..db7d01cb0923 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->drm, &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 b4f3a923a52a..0e3508aeaa6c 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->drm, &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..d5722bc28933 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->drm, &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..f6d7e97de66e 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->drm, 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..30b5e54df381 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->drm, &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..ab06394cfff7 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->drm, 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..714cb954522a 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->drm, &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 f4e293e7cf64..7ed3b3e85f03 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->drm, 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 b7a72dfdcac3..18cc693734b3 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->drm, &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..3d8b3e1eb0aa 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->drm;
> >>> 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.drm)
> >>> + drm_helper_hpd_irq_event(sii902x->bridge.drm);
> >>>
> >>> 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..7a549cce8536 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->drm, 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.drm)
> >>> + drm_helper_hpd_irq_event(hdmi->bridge.drm);
> >>> }
> >>>
> >>> 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 db298f550a5a..1744d7daa534 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->drm;
> >>> 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->drm;
> >>>
> >>> 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 8029478ffebb..fccacd12bb53 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->drm;
> >>> 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.drm) {
> >>> /*
> >>> * 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.drm);
> >>> }
> >>>
> >>> 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 43abf01ebd4c..23576c3fac9f 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->drm, &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..cae9fd584ff1 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->drm, &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.drm)
> >>> + drm_helper_hpd_irq_event(dvi->bridge.drm);
> >>> }
> >>>
> >>> 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 cba537c99e43..80f7a1aa969e 100644
> >>> --- a/drivers/gpu/drm/drm_bridge.c
> >>> +++ b/drivers/gpu/drm/drm_bridge.c
> >>> @@ -119,19 +119,19 @@ 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->drm || previous->encoder != encoder))
> >>> return -EINVAL;
> >>>
> >>> - if (bridge->dev)
> >>> + if (bridge->drm)
> >>> return -EBUSY;
> >>>
> >>> - bridge->dev = encoder->dev;
> >>> + bridge->drm = encoder->dev;
> >>> bridge->encoder = encoder;
> >>>
> >>> if (bridge->funcs->attach) {
> >>> ret = bridge->funcs->attach(bridge);
> >>> if (ret < 0) {
> >>> - bridge->dev = NULL;
> >>> + bridge->drm = NULL;
> >>> bridge->encoder = NULL;
> >>> return ret;
> >>> }
> >>> @@ -151,13 +151,13 @@ void drm_bridge_detach(struct drm_bridge *bridge)
> >>> if (WARN_ON(!bridge))
> >>> return;
> >>>
> >>> - if (WARN_ON(!bridge->dev))
> >>> + if (WARN_ON(!bridge->drm))
> >>> return;
> >>>
> >>> if (bridge->funcs->detach)
> >>> bridge->funcs->detach(bridge);
> >>>
> >>> - bridge->dev = NULL;
> >>> + bridge->drm = NULL;
> >>> }
> >>>
> >>> /**
> >>> diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
> >>> index a63790d32d75..fa430e43f5ad 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->drm);
> >>> }
> >>>
> >>> 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..4ef14d5cdcb6 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->drm;
> >>> 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 2950bba4aca9..a329c7a79d8d 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->drm;
> >>> 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..0add3c88a13e 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->drm;
> >>> 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->drm;
> >>> 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 8c6c172bbf2e..12fcfbf31968 100644
> >>> --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> >>> +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> >>> @@ -622,7 +622,7 @@ 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->drm, 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 c0a2286a81e9..795860200ebf 100644
> >>> --- a/include/drm/drm_bridge.h
> >>> +++ b/include/drm/drm_bridge.h
> >>> @@ -376,8 +376,8 @@ 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;
> >>> + /** @drm: DRM device this bridge belongs to */
> >>> + struct drm_device *drm;
> >>> /** @encoder: encoder to which this bridge is connected */
> >>> struct drm_encoder *encoder;
> >>> /** @next: the next bridge in the encoder chain */
> >>>
> >>
> >>
> >
> >
>
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5, 90409 Nürnberg, Germany
> (HRB 36809, AG Nürnberg)
> Geschäftsführer: Felix Imendörffer
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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