@@ -1583,7 +1583,6 @@ static int analogix_dp_create_bridge(struct drm_device *drm_dev,
struct analogix_dp_device *dp)
{
struct drm_bridge *bridge;
- int ret;
bridge = devm_kzalloc(drm_dev->dev, sizeof(*bridge), GFP_KERNEL);
if (!bridge) {
@@ -1596,13 +1595,7 @@ static int analogix_dp_create_bridge(struct drm_device *drm_dev,
bridge->driver_private = dp;
bridge->funcs = &analogix_dp_bridge_funcs;
- ret = drm_bridge_attach(dp->encoder, bridge, NULL, 0);
- if (ret) {
- DRM_ERROR("failed to attach drm bridge\n");
- return -EINVAL;
- }
-
- return 0;
+ return drm_bridge_attach(dp->encoder, bridge, NULL, 0);
}
static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp)
@@ -1411,11 +1411,8 @@ static int anx7625_bridge_attach(struct drm_bridge *bridge,
err = drm_bridge_attach(bridge->encoder,
ctx->pdata.panel_bridge,
&ctx->bridge, flags);
- if (err) {
- DRM_DEV_ERROR(dev,
- "Fail to attach panel bridge: %d\n", err);
+ if (err)
return err;
- }
}
ctx->bridge_attached = 1;
@@ -3490,7 +3490,6 @@ struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev,
ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0);
if (ret) {
dw_hdmi_remove(hdmi);
- DRM_ERROR("Failed to initialize bridge with drm\n");
return ERR_PTR(ret);
}
@@ -1229,15 +1229,7 @@ EXPORT_SYMBOL_GPL(dw_mipi_dsi_remove);
*/
int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder)
{
- int ret;
-
- ret = drm_bridge_attach(encoder, &dsi->bridge, NULL, 0);
- if (ret) {
- DRM_ERROR("Failed to initialize bridge with drm\n");
- return ret;
- }
-
- return ret;
+ return drm_bridge_attach(encoder, &dsi->bridge, NULL, 0);
}
EXPORT_SYMBOL_GPL(dw_mipi_dsi_bind);
@@ -28,6 +28,7 @@
#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_encoder.h>
+#include <drm/drm_print.h>
#include "drm_crtc_internal.h"
@@ -225,6 +226,15 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
bridge->dev = NULL;
bridge->encoder = NULL;
list_del(&bridge->chain_node);
+
+#ifdef CONFIG_OF
+ DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n",
+ bridge->of_node, encoder->name, ret);
+#else
+ DRM_ERROR("failed to attach bridge to encoder %s: %d\n",
+ encoder->name, ret);
+#endif
+
return ret;
}
EXPORT_SYMBOL(drm_bridge_attach);
@@ -109,11 +109,8 @@ static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
if (dp->ptn_bridge) {
ret = drm_bridge_attach(&dp->encoder, dp->ptn_bridge, bridge,
0);
- if (ret) {
- DRM_DEV_ERROR(dp->dev,
- "Failed to attach bridge to drm\n");
+ if (ret)
return ret;
- }
}
return 0;
@@ -970,11 +970,8 @@ static int hdmi_create_connector(struct drm_encoder *encoder)
drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
drm_connector_attach_encoder(connector, encoder);
- if (hdata->bridge) {
+ if (hdata->bridge)
ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0);
- if (ret)
- DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n");
- }
cec_fill_conn_info_from_drm(&conn_info, connector);
@@ -769,16 +769,9 @@ static int dsi_bridge_init(struct drm_device *dev, struct dw_dsi *dsi)
{
struct drm_encoder *encoder = &dsi->encoder;
struct drm_bridge *bridge = dsi->bridge;
- int ret;
/* associate the bridge to dsi encoder */
- ret = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (ret) {
- DRM_ERROR("failed to attach external bridge\n");
- return ret;
- }
-
- return 0;
+ return drm_bridge_attach(encoder, bridge, NULL, 0);
}
static int dsi_bind(struct device *dev, struct device *master, void *data)
@@ -94,11 +94,8 @@ static int dcss_kms_bridge_connector_init(struct dcss_kms_dev *kms)
ret = drm_bridge_attach(encoder, bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (ret < 0) {
- dev_err(ddev->dev, "Unable to attach bridge %pOF\n",
- bridge->of_node);
+ if (ret < 0)
return ret;
- }
kms->connector = drm_bridge_connector_init(ddev, encoder);
if (IS_ERR(kms->connector)) {
@@ -460,10 +460,8 @@ static int imx_ldb_register(struct drm_device *drm,
if (imx_ldb_ch->bridge) {
ret = drm_bridge_attach(encoder, imx_ldb_ch->bridge, NULL, 0);
- if (ret) {
- DRM_ERROR("Failed to initialize bridge with drm\n");
+ if (ret)
return ret;
- }
} else {
/*
* We want to add the connector whenever there is no bridge
@@ -294,11 +294,8 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
if (imxpd->next_bridge) {
ret = drm_bridge_attach(encoder, imxpd->next_bridge, bridge, 0);
- if (ret < 0) {
- dev_err(imxpd->dev, "failed to attach bridge: %d\n",
- ret);
+ if (ret < 0)
return ret;
- }
} else {
drm_connector_helper_add(connector,
&imx_pd_connector_helper_funcs);
@@ -1036,10 +1036,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
drm_encoder_helper_add(encoder, &ingenic_drm_encoder_helper_funcs);
ret = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (ret) {
- dev_err(dev, "Unable to attach bridge\n");
+ if (ret)
return ret;
- }
}
drm_for_each_encoder(encoder, drm) {
@@ -1441,7 +1441,6 @@ int kmb_dsi_encoder_init(struct drm_device *dev, struct kmb_dsi *kmb_dsi)
ret = drm_bridge_attach(encoder, adv_bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret) {
- DRM_ERROR("failed to attach bridge to MIPI\n");
drm_encoder_cleanup(encoder);
return ret;
}
@@ -1052,7 +1052,6 @@ 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;
- int ret;
if (!drm_core_check_feature(drm, DRIVER_ATOMIC)) {
dev_err(d->dev, "we need atomic updates\n");
@@ -1060,13 +1059,7 @@ static int mcde_dsi_bridge_attach(struct drm_bridge *bridge,
}
/* Attach the DSI bridge to the output (panel etc) bridge */
- ret = drm_bridge_attach(bridge->encoder, d->bridge_out, bridge, flags);
- if (ret) {
- dev_err(d->dev, "failed to attach the DSI bridge\n");
- return ret;
- }
-
- return 0;
+ return drm_bridge_attach(bridge->encoder, d->bridge_out, bridge, flags);
}
static const struct drm_bridge_funcs mcde_dsi_bridge_funcs = {
@@ -610,10 +610,8 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (ret) {
- dev_err(dev, "Failed to attach bridge: %d\n", ret);
+ if (ret)
goto err_cleanup;
- }
dpi->connector = drm_bridge_connector_init(drm_dev, &dpi->encoder);
if (IS_ERR(dpi->connector)) {
@@ -1284,11 +1284,8 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge,
if (hdmi->next_bridge) {
ret = drm_bridge_attach(bridge->encoder, hdmi->next_bridge,
bridge, flags);
- if (ret) {
- dev_err(hdmi->dev,
- "Failed to attach external bridge: %d\n", ret);
+ if (ret)
return ret;
- }
}
mtk_cec_set_hpd_event(hdmi->cec_dev, mtk_hdmi_hpd_event, hdmi->dev);
@@ -290,12 +290,8 @@ static int omap_modeset_init(struct drm_device *dev)
ret = drm_bridge_attach(pipe->encoder,
pipe->output->bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (ret < 0) {
- dev_err(priv->dev,
- "unable to attach bridge %pOF\n",
- pipe->output->bridge->of_node);
+ if (ret < 0)
return ret;
- }
}
id = omap_display_id(pipe->output);
@@ -636,11 +636,8 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master,
}
} else {
ret = drm_bridge_attach(encoder, lvds->bridge, NULL, 0);
- if (ret) {
- DRM_DEV_ERROR(drm_dev->dev,
- "failed to attach bridge: %d\n", ret);
+ if (ret)
goto err_free_encoder;
- }
}
pm_runtime_enable(dev);
@@ -143,11 +143,8 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
rgb->bridge = bridge;
ret = drm_bridge_attach(encoder, rgb->bridge, NULL, 0);
- if (ret) {
- DRM_DEV_ERROR(drm_dev->dev,
- "failed to attach bridge: %d\n", ret);
+ if (ret)
goto err_free_encoder;
- }
return rgb;
@@ -463,10 +463,8 @@ static int sti_dvo_bind(struct device *dev, struct device *master, void *data)
drm_bridge_add(bridge);
err = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (err) {
- DRM_ERROR("Failed to attach bridge\n");
+ if (err)
return err;
- }
dvo->bridge = bridge;
connector->encoder = encoder;
@@ -142,10 +142,8 @@ int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
if (bridge) {
ret = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (ret) {
- dev_err(drm->dev, "Couldn't attach our bridge\n");
+ if (ret)
goto err_cleanup_connector;
- }
}
return 0;
@@ -234,10 +234,8 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
if (rgb->bridge) {
ret = drm_bridge_attach(encoder, rgb->bridge, NULL, 0);
- if (ret) {
- dev_err(drm->dev, "Couldn't attach our bridge\n");
+ if (ret)
goto err_cleanup_connector;
- }
}
return 0;
@@ -275,11 +275,8 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc)
if (output->bridge) {
err = drm_bridge_attach(&output->encoder, output->bridge,
NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (err) {
- dev_err(output->dev, "failed to attach bridge: %d\n",
- err);
+ if (err)
return err;
- }
connector = drm_bridge_connector_init(drm, &output->encoder);
if (IS_ERR(connector)) {
@@ -227,10 +227,8 @@ static int tidss_dispc_modeset_init(struct tidss_device *tidss)
}
ret = drm_bridge_attach(enc, pipes[i].bridge, NULL, 0);
- if (ret) {
- dev_err(tidss->dev, "bridge attach failed: %d\n", ret);
+ if (ret)
return ret;
- }
}
/* create overlay planes of the leftover planes */
@@ -93,10 +93,8 @@ int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge)
priv->external_encoder->possible_crtcs = BIT(0);
ret = drm_bridge_attach(priv->external_encoder, bridge, NULL, 0);
- if (ret) {
- dev_err(ddev->dev, "drm_bridge_attach() failed %d\n", ret);
+ if (ret)
return ret;
- }
tilcdc_crtc_set_panel_info(priv->crtc, &panel_info_default);
@@ -1646,10 +1646,8 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
drm_encoder_helper_add(dsi->encoder, &vc4_dsi_encoder_helper_funcs);
ret = drm_bridge_attach(dsi->encoder, dsi->bridge, NULL, 0);
- if (ret) {
- dev_err(dev, "bridge attach failed: %d\n", ret);
+ if (ret)
return ret;
- }
/* Disable the atomic helper calls into the bridge. We
* manually call the bridge pre_enable / enable / etc. calls
* from our driver, since we need to sequence them within the
Being informed of a failure to attach a bridge is useful, and many drivers prints an error message in that case. Move the message to drm_bridge_attach() to avoid code duplication. Suggested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 9 +-------- drivers/gpu/drm/bridge/analogix/anx7625.c | 5 +---- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 1 - drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 10 +--------- drivers/gpu/drm/drm_bridge.c | 10 ++++++++++ drivers/gpu/drm/exynos/exynos_dp.c | 5 +---- drivers/gpu/drm/exynos/exynos_hdmi.c | 5 +---- drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c | 9 +-------- drivers/gpu/drm/imx/dcss/dcss-kms.c | 5 +---- drivers/gpu/drm/imx/imx-ldb.c | 4 +--- drivers/gpu/drm/imx/parallel-display.c | 5 +---- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 4 +--- drivers/gpu/drm/kmb/kmb_dsi.c | 1 - drivers/gpu/drm/mcde/mcde_dsi.c | 9 +-------- drivers/gpu/drm/mediatek/mtk_dpi.c | 4 +--- drivers/gpu/drm/mediatek/mtk_hdmi.c | 5 +---- drivers/gpu/drm/omapdrm/omap_drv.c | 6 +----- drivers/gpu/drm/rockchip/rockchip_lvds.c | 5 +---- drivers/gpu/drm/rockchip/rockchip_rgb.c | 5 +---- drivers/gpu/drm/sti/sti_dvo.c | 4 +--- drivers/gpu/drm/sun4i/sun4i_lvds.c | 4 +--- drivers/gpu/drm/sun4i/sun4i_rgb.c | 4 +--- drivers/gpu/drm/tegra/rgb.c | 5 +---- drivers/gpu/drm/tidss/tidss_kms.c | 4 +--- drivers/gpu/drm/tilcdc/tilcdc_external.c | 4 +--- drivers/gpu/drm/vc4/vc4_dsi.c | 4 +--- 26 files changed, 33 insertions(+), 103 deletions(-)