diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index f22ad2882697..7c0c12dde488 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -327,6 +327,10 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .min_height = 1, }; +static const struct mtk_mmsys_driver_data mt8365_mmsys_driver_data = { + .mmsys_dev_num = 1, +}; + static const struct of_device_id mtk_drm_of_ids[] = { { .compatible = "mediatek,mt2701-mmsys", .data = &mt2701_mmsys_driver_data}, @@ -354,6 +358,8 @@ static const struct of_device_id mtk_drm_of_ids[] = { .data = &mt8195_vdosys0_driver_data}, { .compatible = "mediatek,mt8195-vdosys1", .data = &mt8195_vdosys1_driver_data}, + { .compatible = "mediatek,mt8365-mmsys", + .data = &mt8365_mmsys_driver_data}, { } }; MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); @@ -464,7 +470,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) ret = drmm_mode_config_init(drm); if (ret) - goto put_mutex_dev; + return ret; drm->mode_config.min_width = 64; drm->mode_config.min_height = 64; @@ -482,8 +488,11 @@ static int mtk_drm_kms_init(struct drm_device *drm) for (i = 0; i < private->data->mmsys_dev_num; i++) { drm->dev_private = private->all_drm_private[i]; ret = component_bind_all(private->all_drm_private[i]->dev, drm); - if (ret) - goto put_mutex_dev; + if (ret) { + while (--i >= 0) + component_unbind_all(private->all_drm_private[i]->dev, drm); + return ret; + } } /* @@ -576,9 +585,6 @@ static int mtk_drm_kms_init(struct drm_device *drm) err_component_unbind: for (i = 0; i < private->data->mmsys_dev_num; i++) component_unbind_all(private->all_drm_private[i]->dev, drm); -put_mutex_dev: - for (i = 0; i < private->data->mmsys_dev_num; i++) - put_device(private->all_drm_private[i]->mutex_dev); return ret; } @@ -649,8 +655,10 @@ static int mtk_drm_bind(struct device *dev) return 0; drm = drm_dev_alloc(&mtk_drm_driver, dev); - if (IS_ERR(drm)) - return PTR_ERR(drm); + if (IS_ERR(drm)) { + ret = PTR_ERR(drm); + goto err_put_dev; + } private->drm_master = true; drm->dev_private = private; @@ -676,18 +684,31 @@ err_free: drm_dev_put(drm); for (i = 0; i < private->data->mmsys_dev_num; i++) private->all_drm_private[i]->drm = NULL; +err_put_dev: + for (i = 0; i < private->data->mmsys_dev_num; i++) { + /* For device_find_child in mtk_drm_get_all_priv() */ + put_device(private->all_drm_private[i]->dev); + } + put_device(private->mutex_dev); return ret; } static void mtk_drm_unbind(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); + int i; /* for multi mmsys dev, unregister drm dev in mmsys master */ if (private->drm_master) { drm_dev_unregister(private->drm); mtk_drm_kms_deinit(private->drm); drm_dev_put(private->drm); + + for (i = 0; i < private->data->mmsys_dev_num; i++) { + /* For device_find_child in mtk_drm_get_all_priv() */ + put_device(private->all_drm_private[i]->dev); + } + put_device(private->mutex_dev); } private->mtk_drm_bound = false; private->drm_master = false; @@ -754,6 +775,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8195-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8365-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8173-disp-od", .data = (void *)MTK_DISP_OD }, { .compatible = "mediatek,mt2701-disp-ovl", @@ -810,6 +833,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8195-dp-intf", .data = (void *)MTK_DP_INTF }, + { .compatible = "mediatek,mt8195-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi", |