On Tue, Dec 10, 2019 at 01:28:42PM +0000, Mihail Atanassov wrote: > On Tuesday, 10 December 2019 10:12:50 GMT Daniel Vetter wrote: > > 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 > > > > OK, I'll poke at it a bit and see what falls out. I'm guessing we don't > particularly care about the extra pointer being dereferenced in driver code? > The vast majority of the uses are in attach/detach logic so fairly benign but > we do have a few in IRQs. Modeset code is "readability over speed, any time" except if someone can show in a real world use case that it actually matters somewhere. Spoiler: In 10 years it never did. So go ahead without concerns, we have a lot more pointer chasing going on here than just that :-) -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@xxxxxxxx> > > > >>> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > > >>> Signed-off-by: Mihail Atanassov <mihail.atanassov@xxxxxxx> > > > >>> --- > > > >>> 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 */ > > > >>> > > > >> > > > >> > > > > > > > > > > > > > > > > > > > > > > > > -- > Mihail > > > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel