diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_drv.c | 475 |
1 files changed, 282 insertions, 193 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index a13b36ac03a1..6dcb4ba2466c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -4,8 +4,6 @@ * Author: YT SHEN <yt.shen@mediatek.com> */ -#include <linux/clk.h> -#include <linux/clk-provider.h> #include <linux/component.h> #include <linux/iommu.h> #include <linux/module.h> @@ -60,7 +58,7 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; -static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = { +static const unsigned int mt2701_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0, @@ -68,12 +66,12 @@ static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = { DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = { +static const unsigned int mt2701_mtk_ddp_ext[] = { DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = { +static const unsigned int mt7623_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0, @@ -81,12 +79,12 @@ static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = { DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt7623_mtk_ddp_ext[] = { +static const unsigned int mt7623_mtk_ddp_ext[] = { DDP_COMPONENT_RDMA1, DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = { +static const unsigned int mt2712_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0, DDP_COMPONENT_AAL0, @@ -96,7 +94,7 @@ static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = { DDP_COMPONENT_PWM0, }; -static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = { +static const unsigned int mt2712_mtk_ddp_ext[] = { DDP_COMPONENT_OVL1, DDP_COMPONENT_COLOR1, DDP_COMPONENT_AAL1, @@ -106,13 +104,13 @@ static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = { DDP_COMPONENT_PWM1, }; -static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = { +static const unsigned int mt2712_mtk_ddp_third[] = { DDP_COMPONENT_RDMA2, DDP_COMPONENT_DSI3, DDP_COMPONENT_PWM2, }; -static enum mtk_ddp_comp_id mt8167_mtk_ddp_main[] = { +static unsigned int mt8167_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0, DDP_COMPONENT_CCORR, @@ -123,7 +121,7 @@ static enum mtk_ddp_comp_id mt8167_mtk_ddp_main[] = { DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = { +static const unsigned int mt8173_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_COLOR0, DDP_COMPONENT_AAL0, @@ -134,7 +132,7 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = { DDP_COMPONENT_PWM0, }; -static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = { +static const unsigned int mt8173_mtk_ddp_ext[] = { DDP_COMPONENT_OVL1, DDP_COMPONENT_COLOR1, DDP_COMPONENT_GAMMA, @@ -142,7 +140,7 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = { DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = { +static const unsigned int mt8183_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0, @@ -154,13 +152,13 @@ static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = { DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt8183_mtk_ddp_ext[] = { +static const unsigned int mt8183_mtk_ddp_ext[] = { DDP_COMPONENT_OVL_2L1, DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt8186_mtk_ddp_main[] = { +static const unsigned int mt8186_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0, @@ -172,13 +170,25 @@ static const enum mtk_ddp_comp_id mt8186_mtk_ddp_main[] = { DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt8186_mtk_ddp_ext[] = { +static const unsigned int mt8186_mtk_ddp_ext[] = { DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = { +static const unsigned int mt8188_mtk_ddp_main[] = { + DDP_COMPONENT_OVL0, + DDP_COMPONENT_RDMA0, + DDP_COMPONENT_COLOR0, + DDP_COMPONENT_CCORR, + DDP_COMPONENT_AAL0, + DDP_COMPONENT_GAMMA, + DDP_COMPONENT_POSTMASK0, + DDP_COMPONENT_DITHER0, + DDP_COMPONENT_DP_INTF0, +}; + +static const unsigned int mt8192_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0, @@ -191,13 +201,13 @@ static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = { DDP_COMPONENT_DSI0, }; -static const enum mtk_ddp_comp_id mt8192_mtk_ddp_ext[] = { +static const unsigned int mt8192_mtk_ddp_ext[] = { DDP_COMPONENT_OVL_2L2, DDP_COMPONENT_RDMA4, DDP_COMPONENT_DPI0, }; -static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = { +static const unsigned int mt8195_mtk_ddp_main[] = { DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0, @@ -210,19 +220,19 @@ static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = { DDP_COMPONENT_DP_INTF0, }; +static const unsigned int mt8195_mtk_ddp_ext[] = { + DDP_COMPONENT_DRM_OVL_ADAPTOR, + DDP_COMPONENT_MERGE5, + DDP_COMPONENT_DP_INTF1, +}; + static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { .main_path = mt2701_mtk_ddp_main, .main_len = ARRAY_SIZE(mt2701_mtk_ddp_main), .ext_path = mt2701_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext), .shadow_register = true, -}; - -static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt2701_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { @@ -231,13 +241,7 @@ static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { .ext_path = mt7623_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext), .shadow_register = true, -}; - -static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt7623_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { @@ -247,25 +251,13 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { .ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext), .third_path = mt2712_mtk_ddp_third, .third_len = ARRAY_SIZE(mt2712_mtk_ddp_third), -}; - -static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt2712_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = { .main_path = mt8167_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8167_mtk_ddp_main), -}; - -static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8167_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { @@ -273,13 +265,7 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main), .ext_path = mt8173_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext), -}; - -static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8173_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { @@ -287,13 +273,7 @@ static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8183_mtk_ddp_main), .ext_path = mt8183_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext), -}; - -static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8183_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = { @@ -301,13 +281,12 @@ static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8186_mtk_ddp_main), .ext_path = mt8186_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8186_mtk_ddp_ext), + .mmsys_dev_num = 1, }; -static const struct mtk_mmsys_match_data mt8186_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8186_mmsys_driver_data, - }, +static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { + .main_path = mt8188_mtk_ddp_main, + .main_len = ARRAY_SIZE(mt8188_mtk_ddp_main), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -315,56 +294,133 @@ static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8192_mtk_ddp_main), .ext_path = mt8192_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext), -}; - -static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8192_mmsys_driver_data, - }, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { - .io_start = 0x1c01a000, .main_path = mt8195_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), + .mmsys_dev_num = 2, }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { - .io_start = 0x1c100000, + .ext_path = mt8195_mtk_ddp_ext, + .ext_len = ARRAY_SIZE(mt8195_mtk_ddp_ext), + .mmsys_id = 1, + .mmsys_dev_num = 2, }; -static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = { - .num_drv_data = 1, - .drv_data = { - &mt8195_vdosys0_driver_data, - &mt8195_vdosys1_driver_data, - }, +static const struct of_device_id mtk_drm_of_ids[] = { + { .compatible = "mediatek,mt2701-mmsys", + .data = &mt2701_mmsys_driver_data}, + { .compatible = "mediatek,mt7623-mmsys", + .data = &mt7623_mmsys_driver_data}, + { .compatible = "mediatek,mt2712-mmsys", + .data = &mt2712_mmsys_driver_data}, + { .compatible = "mediatek,mt8167-mmsys", + .data = &mt8167_mmsys_driver_data}, + { .compatible = "mediatek,mt8173-mmsys", + .data = &mt8173_mmsys_driver_data}, + { .compatible = "mediatek,mt8183-mmsys", + .data = &mt8183_mmsys_driver_data}, + { .compatible = "mediatek,mt8186-mmsys", + .data = &mt8186_mmsys_driver_data}, + { .compatible = "mediatek,mt8188-vdosys0", + .data = &mt8188_vdosys0_driver_data}, + { .compatible = "mediatek,mt8192-mmsys", + .data = &mt8192_mmsys_driver_data}, + { .compatible = "mediatek,mt8195-mmsys", + .data = &mt8195_vdosys0_driver_data}, + { .compatible = "mediatek,mt8195-vdosys0", + .data = &mt8195_vdosys0_driver_data}, + { .compatible = "mediatek,mt8195-vdosys1", + .data = &mt8195_vdosys1_driver_data}, + { } }; +MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); + +static int mtk_drm_match(struct device *dev, void *data) +{ + if (!strncmp(dev_name(dev), "mediatek-drm", sizeof("mediatek-drm") - 1)) + return true; + return false; +} + +static bool mtk_drm_get_all_drm_priv(struct device *dev) +{ + struct mtk_drm_private *drm_priv = dev_get_drvdata(dev); + struct mtk_drm_private *all_drm_priv[MAX_CRTC]; + struct device_node *phandle = dev->parent->of_node; + const struct of_device_id *of_id; + struct device_node *node; + struct device *drm_dev; + int cnt = 0; + int i, j; + + for_each_child_of_node(phandle->parent, node) { + struct platform_device *pdev; + + of_id = of_match_node(mtk_drm_of_ids, node); + if (!of_id) + continue; + + pdev = of_find_device_by_node(node); + if (!pdev) + continue; + + drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match); + if (!drm_dev || !dev_get_drvdata(drm_dev)) + continue; + + all_drm_priv[cnt] = dev_get_drvdata(drm_dev); + if (all_drm_priv[cnt] && all_drm_priv[cnt]->mtk_drm_bound) + cnt++; + } + + if (drm_priv->data->mmsys_dev_num == cnt) { + for (i = 0; i < cnt; i++) + for (j = 0; j < cnt; j++) + all_drm_priv[j]->all_drm_private[i] = all_drm_priv[i]; + + return true; + } + + return false; +} + +static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private *private, int comp_id) +{ + const struct mtk_mmsys_driver_data *drv_data = private->data; + int i; + + if (drv_data->main_path) + for (i = 0; i < drv_data->main_len; i++) + if (drv_data->main_path[i] == comp_id) + return true; + + if (drv_data->ext_path) + for (i = 0; i < drv_data->ext_len; i++) + if (drv_data->ext_path[i] == comp_id) + return true; + + if (drv_data->third_path) + for (i = 0; i < drv_data->third_len; i++) + if (drv_data->third_path[i] == comp_id) + return true; + + return false; +} static int mtk_drm_kms_init(struct drm_device *drm) { struct mtk_drm_private *private = drm->dev_private; - struct platform_device *pdev; - struct device_node *np; - struct device *dma_dev; - int ret; + struct mtk_drm_private *priv_n; + struct device *dma_dev = NULL; + int ret, i, j; if (drm_firmware_drivers_only()) return -ENODEV; - if (!iommu_present(&platform_bus_type)) - return -EPROBE_DEFER; - - pdev = of_find_device_by_node(private->mutex_node); - if (!pdev) { - dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n", - private->mutex_node); - of_node_put(private->mutex_node); - return -EPROBE_DEFER; - } - private->mutex_dev = &pdev->dev; - ret = drmm_mode_config_init(drm); if (ret) goto put_mutex_dev; @@ -382,9 +438,12 @@ static int mtk_drm_kms_init(struct drm_device *drm) drm->mode_config.funcs = &mtk_drm_mode_config_funcs; drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; - ret = component_bind_all(drm->dev, drm); - if (ret) - goto put_mutex_dev; + 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; + } /* * Ensure internal panels are at the top of the connector list before @@ -393,37 +452,53 @@ static int mtk_drm_kms_init(struct drm_device *drm) drm_helper_move_panel_connectors_to_head(drm); /* - * We currently support two fixed data streams, each optional, - * and each statically assigned to a crtc: - * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... + * 1. We currently support two fixed data streams, each optional, + * and each statically assigned to a crtc: + * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... + * 2. For multi mmsys architecture, crtc path data are located in + * different drm private data structures. Loop through crtc index to + * create crtc from the main path and then ext_path and finally the + * third path. */ - ret = mtk_drm_crtc_create(drm, private->data->main_path, - private->data->main_len); - if (ret < 0) - goto err_component_unbind; - /* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */ - ret = mtk_drm_crtc_create(drm, private->data->ext_path, - private->data->ext_len); - if (ret < 0) - goto err_component_unbind; - - ret = mtk_drm_crtc_create(drm, private->data->third_path, - private->data->third_len); - if (ret < 0) - goto err_component_unbind; + for (i = 0; i < MAX_CRTC; i++) { + for (j = 0; j < private->data->mmsys_dev_num; j++) { + priv_n = private->all_drm_private[j]; + + if (i == 0 && priv_n->data->main_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->main_path, + priv_n->data->main_len, j); + if (ret) + goto err_component_unbind; + + continue; + } else if (i == 1 && priv_n->data->ext_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path, + priv_n->data->ext_len, j); + if (ret) + goto err_component_unbind; + + continue; + } else if (i == 2 && priv_n->data->third_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->third_path, + priv_n->data->third_len, j); + if (ret) + goto err_component_unbind; + + continue; + } + } + } /* Use OVL device for all DMA memory allocations */ - np = private->comp_node[private->data->main_path[0]] ?: - private->comp_node[private->data->ext_path[0]]; - pdev = of_find_device_by_node(np); - if (!pdev) { + dma_dev = mtk_drm_crtc_dma_dev_get(drm_crtc_from_index(drm, 0)); + if (!dma_dev) { ret = -ENODEV; dev_err(drm->dev, "Need at least one OVL device\n"); goto err_component_unbind; } - dma_dev = &pdev->dev; - private->dma_dev = dma_dev; + for (i = 0; i < private->data->mmsys_dev_num; i++) + private->all_drm_private[i]->dma_dev = dma_dev; /* * Configure the DMA segment size to make sure we get contiguous IOVA @@ -445,9 +520,12 @@ static int mtk_drm_kms_init(struct drm_device *drm) return 0; err_component_unbind: - component_unbind_all(drm->dev, drm); + for (i = 0; i < private->data->mmsys_dev_num; i++) + component_unbind_all(private->all_drm_private[i]->dev, drm); put_mutex_dev: - put_device(private->mutex_dev); + for (i = 0; i < private->data->mmsys_dev_num; i++) + put_device(private->all_drm_private[i]->mutex_dev); + return ret; } @@ -492,18 +570,44 @@ static const struct drm_driver mtk_drm_driver = { .minor = DRIVER_MINOR, }; +static int compare_dev(struct device *dev, void *data) +{ + return dev == (struct device *)data; +} + static int mtk_drm_bind(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); + struct platform_device *pdev; struct drm_device *drm; - int ret; + int ret, i; + + if (!iommu_present(&platform_bus_type)) + return -EPROBE_DEFER; + + pdev = of_find_device_by_node(private->mutex_node); + if (!pdev) { + dev_err(dev, "Waiting for disp-mutex device %pOF\n", + private->mutex_node); + of_node_put(private->mutex_node); + return -EPROBE_DEFER; + } + + private->mutex_dev = &pdev->dev; + private->mtk_drm_bound = true; + private->dev = dev; + + if (!mtk_drm_get_all_drm_priv(dev)) + return 0; drm = drm_dev_alloc(&mtk_drm_driver, dev); if (IS_ERR(drm)) return PTR_ERR(drm); + private->drm_master = true; drm->dev_private = private; - private->drm = drm; + for (i = 0; i < private->data->mmsys_dev_num; i++) + private->all_drm_private[i]->drm = drm; ret = mtk_drm_kms_init(drm); if (ret < 0) @@ -529,10 +633,14 @@ static void mtk_drm_unbind(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); - drm_dev_unregister(private->drm); - mtk_drm_kms_deinit(private->drm); - drm_dev_put(private->drm); - private->num_pipes = 0; + /* 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); + } + private->mtk_drm_bound = false; + private->drm_master = false; private->drm = NULL; } @@ -588,6 +696,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8186-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, + { .compatible = "mediatek,mt8188-disp-mutex", + .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8192-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, { .compatible = "mediatek,mt8195-disp-mutex", @@ -657,58 +767,15 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { { } }; -static const struct of_device_id mtk_drm_of_ids[] = { - { .compatible = "mediatek,mt2701-mmsys", - .data = &mt2701_mmsys_match_data}, - { .compatible = "mediatek,mt7623-mmsys", - .data = &mt7623_mmsys_match_data}, - { .compatible = "mediatek,mt2712-mmsys", - .data = &mt2712_mmsys_match_data}, - { .compatible = "mediatek,mt8167-mmsys", - .data = &mt8167_mmsys_match_data}, - { .compatible = "mediatek,mt8173-mmsys", - .data = &mt8173_mmsys_match_data}, - { .compatible = "mediatek,mt8183-mmsys", - .data = &mt8183_mmsys_match_data}, - { .compatible = "mediatek,mt8186-mmsys", - .data = &mt8186_mmsys_match_data}, - { .compatible = "mediatek,mt8192-mmsys", - .data = &mt8192_mmsys_match_data}, - { .compatible = "mediatek,mt8195-mmsys", - .data = &mt8195_mmsys_match_data}, - { } -}; -MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); - -static int mtk_drm_find_match_data(struct device *dev, - const struct mtk_mmsys_match_data *match_data) -{ - int i; - struct platform_device *pdev = of_find_device_by_node(dev->parent->of_node); - struct resource *res; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "failed to get parent resource\n"); - return -EINVAL; - } - - for (i = 0; i < match_data->num_drv_data; i++) - if (match_data->drv_data[i]->io_start == res->start) - return i; - - return -EINVAL; -} - static int mtk_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *phandle = dev->parent->of_node; const struct of_device_id *of_id; - const struct mtk_mmsys_match_data *match_data; struct mtk_drm_private *private; struct device_node *node; struct component_match *match = NULL; + struct platform_device *ovl_adaptor; int ret; int i; @@ -726,18 +793,24 @@ static int mtk_drm_probe(struct platform_device *pdev) if (!of_id) return -ENODEV; - match_data = of_id->data; - if (match_data->num_drv_data > 1) { - /* This SoC has multiple mmsys channels */ - ret = mtk_drm_find_match_data(dev, match_data); - if (ret < 0) { - dev_err(dev, "Couldn't get match driver data\n"); - return ret; - } - private->data = match_data->drv_data[ret]; - } else { - dev_dbg(dev, "Using single mmsys channel\n"); - private->data = match_data->drv_data[0]; + private->data = of_id->data; + + private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num, + sizeof(*private->all_drm_private), + GFP_KERNEL); + if (!private->all_drm_private) + return -ENOMEM; + + /* Bringup ovl_adaptor */ + if (mtk_drm_find_mmsys_comp(private, DDP_COMPONENT_DRM_OVL_ADAPTOR)) { + ovl_adaptor = platform_device_register_data(dev, "mediatek-disp-ovl-adaptor", + PLATFORM_DEVID_AUTO, + (void *)private->mmsys_dev, + sizeof(*private->mmsys_dev)); + private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev; + mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR], + DDP_COMPONENT_DRM_OVL_ADAPTOR); + component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev); } /* Iterate over sibling DISP function blocks */ @@ -759,7 +832,13 @@ static int mtk_drm_probe(struct platform_device *pdev) comp_type = (enum mtk_ddp_comp_type)of_id->data; if (comp_type == MTK_DISP_MUTEX) { - private->mutex_node = of_node_get(node); + int id; + + id = of_alias_get_id(node, "mutex"); + if (id < 0 || id == private->data->mmsys_id) { + private->mutex_node = of_node_get(node); + dev_dbg(dev, "get mutex for mmsys %d", private->data->mmsys_id); + } continue; } @@ -770,6 +849,9 @@ static int mtk_drm_probe(struct platform_device *pdev) continue; } + if (!mtk_drm_find_mmsys_comp(private, comp_id)) + continue; + private->comp_node[comp_id] = of_node_get(node); /* @@ -784,6 +866,7 @@ static int mtk_drm_probe(struct platform_device *pdev) comp_type == MTK_DISP_MERGE || comp_type == MTK_DISP_OVL || comp_type == MTK_DISP_OVL_2L || + comp_type == MTK_DISP_OVL_ADAPTOR || comp_type == MTK_DISP_RDMA || comp_type == MTK_DP_INTF || comp_type == MTK_DPI || @@ -821,7 +904,7 @@ err_pm: pm_runtime_disable(dev); err_node: of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++) of_node_put(private->comp_node[i]); return ret; } @@ -834,7 +917,7 @@ static int mtk_drm_remove(struct platform_device *pdev) component_master_del(&pdev->dev, &mtk_drm_ops); pm_runtime_disable(&pdev->dev); of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) + for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++) of_node_put(private->comp_node[i]); return 0; @@ -845,16 +928,20 @@ static int mtk_drm_sys_prepare(struct device *dev) struct mtk_drm_private *private = dev_get_drvdata(dev); struct drm_device *drm = private->drm; - return drm_mode_config_helper_suspend(drm); + if (private->drm_master) + return drm_mode_config_helper_suspend(drm); + else + return 0; } static void mtk_drm_sys_complete(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); struct drm_device *drm = private->drm; - int ret; + int ret = 0; - ret = drm_mode_config_helper_resume(drm); + if (private->drm_master) + ret = drm_mode_config_helper_resume(drm); if (ret) dev_err(dev, "Failed to resume\n"); } @@ -879,11 +966,13 @@ static struct platform_driver * const mtk_drm_drivers[] = { &mtk_disp_color_driver, &mtk_disp_gamma_driver, &mtk_disp_merge_driver, + &mtk_disp_ovl_adaptor_driver, &mtk_disp_ovl_driver, &mtk_disp_rdma_driver, &mtk_dpi_driver, &mtk_drm_platform_driver, &mtk_dsi_driver, + &mtk_ethdr_driver, &mtk_mdp_rdma_driver, }; 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