diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dpi.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index beb7d9d08e97..1864eb02dbf5 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -26,9 +26,9 @@ #include <drm/drm_of.h> #include <drm/drm_simple_kms_helper.h> +#include "mtk_ddp_comp.h" #include "mtk_disp_drv.h" #include "mtk_dpi_regs.h" -#include "mtk_drm_ddp_comp.h" #include "mtk_drm_drv.h" enum mtk_dpi_out_bit_num { @@ -704,6 +704,20 @@ static int mtk_dpi_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct mtk_dpi *dpi = bridge_to_dpi(bridge); + int ret; + + dpi->next_bridge = devm_drm_of_get_bridge(dpi->dev, dpi->dev->of_node, 1, -1); + if (IS_ERR(dpi->next_bridge)) { + ret = PTR_ERR(dpi->next_bridge); + if (ret == -EPROBE_DEFER) + return ret; + + /* Old devicetree has only one endpoint */ + dpi->next_bridge = devm_drm_of_get_bridge(dpi->dev, dpi->dev->of_node, 0, 0); + if (IS_ERR(dpi->next_bridge)) + return dev_err_probe(dpi->dev, PTR_ERR(dpi->next_bridge), + "Failed to get bridge\n"); + } return drm_bridge_attach(bridge->encoder, dpi->next_bridge, &dpi->bridge, flags); @@ -805,7 +819,10 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data) return ret; } - dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->dev); + ret = mtk_find_possible_crtcs(drm_dev, dpi->dev); + if (ret < 0) + goto err_cleanup; + dpi->encoder.possible_crtcs = ret; ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); @@ -1055,13 +1072,6 @@ static int mtk_dpi_probe(struct platform_device *pdev) if (dpi->irq < 0) return dpi->irq; - dpi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); - if (IS_ERR(dpi->next_bridge)) - return dev_err_probe(dev, PTR_ERR(dpi->next_bridge), - "Failed to get bridge\n"); - - dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node); - platform_set_drvdata(pdev, dpi); dpi->bridge.funcs = &mtk_dpi_bridge_funcs; @@ -1098,7 +1108,7 @@ MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids); struct platform_driver mtk_dpi_driver = { .probe = mtk_dpi_probe, - .remove_new = mtk_dpi_remove, + .remove = mtk_dpi_remove, .driver = { .name = "mediatek-dpi", .of_match_table = mtk_dpi_of_ids, |