| Message ID | 20220110084645.31191-21-nancy.lin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add MediaTek SoC DRM (vdosys1) support for mt8195 | expand |
Il 10/01/22 09:46, Nancy.Lin ha scritto: > Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if > the component exists in the path. > > Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Hi, Nancy: On Mon, 2022-01-10 at 16:46 +0800, Nancy.Lin wrote: > Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if > the component exists in the path. > > Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++---- > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 30 ++++++++++++--- > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 + > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 41 +++++++++++++++-- > ---- > 4 files changed, 62 insertions(+), 26 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > index fe2871aca859..62529a954b62 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > @@ -877,15 +877,13 @@ int mtk_drm_crtc_create(struct drm_device > *drm_dev, > node = priv->comp_node[comp_id]; > comp = &priv->ddp_comp[comp_id]; > > - if (!node) { if (!node && comp_id != MTK_DISP_OVL_ADAPTOR) > - dev_info(dev, > - "Not creating crtc %d because > component %d is disabled or missing\n", > - crtc_i, comp_id); > - return 0; > - } > - > - if (!comp->dev) { > - dev_err(dev, "Component %pOF not > initialized\n", node); > + /* Not all drm components have a DTS device node, such > as ovl_adaptor, > + * which is the drm bring up sub driver > + */ > + if (!node && !comp->dev) { > + dev_err(dev, > + "Not creating crtc %d because component > %d is disabled, missing or not initialized\n", > + crtc_i, comp_id); > return -ENODEV; > } > } > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > index 26d197da41c0..ce40bab9c56b 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -385,6 +385,18 @@ static const struct mtk_ddp_comp_funcs ddp_ufoe > = { > .start = mtk_ufoe_start, > }; > > +static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { > + .clk_enable = mtk_ovl_adaptor_clk_enable, > + .clk_disable = mtk_ovl_adaptor_clk_disable, > + .config = mtk_ovl_adaptor_config, > + .start = mtk_ovl_adaptor_start, > + .stop = mtk_ovl_adaptor_stop, > + .layer_nr = mtk_ovl_adaptor_layer_nr, > + .layer_config = mtk_ovl_adaptor_layer_config, > + .enable_vblank = mtk_ovl_adaptor_enable_vblank, > + .disable_vblank = mtk_ovl_adaptor_disable_vblank, > +}; > + > static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = > { > [MTK_DISP_AAL] = "aal", > [MTK_DISP_BLS] = "bls", > @@ -398,6 +410,7 @@ static const char * const > mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { > [MTK_DISP_OD] = "od", > [MTK_DISP_OVL] = "ovl", > [MTK_DISP_OVL_2L] = "ovl-2l", > + [MTK_DISP_OVL_ADAPTOR] = "ovl_adaptor", > [MTK_DISP_POSTMASK] = "postmask", > [MTK_DISP_PWM] = "pwm", > [MTK_DISP_RDMA] = "rdma", > @@ -443,6 +456,7 @@ static const struct mtk_ddp_comp_match > mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, > &ddp_ovl }, > [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, > &ddp_ovl }, > [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, > &ddp_ovl }, > + [DDP_COMPONENT_OVL_ADAPTOR] = { MTK_DISP_OVL_ADAPTOR, > 0, &ddp_ovl_adaptor }, > [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, > &ddp_postmask }, > [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, > NULL }, > [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, > NULL }, > @@ -548,12 +562,17 @@ int mtk_ddp_comp_init(struct device_node *node, > struct mtk_ddp_comp *comp, > > comp->id = comp_id; > comp->funcs = mtk_ddp_matches[comp_id].funcs; > - comp_pdev = of_find_device_by_node(node); > - if (!comp_pdev) { > - DRM_INFO("Waiting for device %s\n", node->full_name); > - return -EPROBE_DEFER; > + /* Not all drm components have a DTS device node, such as > ovl_adaptor, > + * which is the drm bring up sub driver > + */ > + if (node) { > + comp_pdev = of_find_device_by_node(node); > + if (!comp_pdev) { > + DRM_INFO("Waiting for device %s\n", node- > >full_name); > + return -EPROBE_DEFER; > + } > + comp->dev = &comp_pdev->dev; > } > - comp->dev = &comp_pdev->dev; > > /* Only DMA capable components need the LARB property */ > if (type == MTK_DISP_OVL || > @@ -573,6 +592,7 @@ int mtk_ddp_comp_init(struct device_node *node, > struct mtk_ddp_comp *comp, > type == MTK_DISP_MERGE || > type == MTK_DISP_OVL || > type == MTK_DISP_OVL_2L || > + type == MTK_DISP_OVL_ADAPTOR || > type == MTK_DISP_PWM || > type == MTK_DISP_RDMA || > type == MTK_DPI || > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index 221e2e3a3c8d..5e1404dc20c4 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -30,6 +30,7 @@ enum mtk_ddp_comp_type { > MTK_DISP_OD, > MTK_DISP_OVL, > MTK_DISP_OVL_2L, > + MTK_DISP_OVL_ADAPTOR, > MTK_DISP_POSTMASK, > MTK_DISP_PWM, > MTK_DISP_RDMA, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index a05703843af2..36430f956b4f 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -351,9 +351,7 @@ static int mtk_drm_kms_init(struct drm_device > *drm) > { > struct mtk_drm_private *private = drm->dev_private; > struct mtk_drm_private *priv_n; > - struct platform_device *pdev; > - struct device_node *np = NULL; > - struct device *dma_dev; > + struct device *dma_dev = NULL; > int ret, i, j; > > ret = drmm_mode_config_init(drm); > @@ -400,8 +398,8 @@ static int mtk_drm_kms_init(struct drm_device > *drm) > if (ret) > goto err_component_unbind; > > - if (!np) > - np = priv_n->comp_node[priv_n- > >data->main_path[0]]; > + if (!dma_dev) > + dma_dev = priv_n- > >ddp_comp[priv_n->data->main_path[0]].dev; > > continue; > } else if (i == 1 && priv_n->data->ext_len) { > @@ -410,8 +408,8 @@ static int mtk_drm_kms_init(struct drm_device > *drm) > if (ret) > goto err_component_unbind; > > - if (!np) > - np = priv_n->comp_node[priv_n- > >data->ext_path[0]]; > + if (!dma_dev) > + dma_dev = priv_n- > >ddp_comp[priv_n->data->ext_path[0]].dev; > > continue; > } else if (i == 2 && priv_n->data->third_len) { > @@ -420,22 +418,20 @@ static int mtk_drm_kms_init(struct drm_device > *drm) > if (ret) > goto err_component_unbind; > > - if (!np) > - np = priv_n->comp_node[priv_n- > >data->third_path[0]]; > + if (!dma_dev) > + dma_dev = priv_n- > >ddp_comp[priv_n->data->third_path[0]].dev; > > continue; > } > } > } > > - pdev = of_find_device_by_node(np); > - if (!pdev) { > + if (!dma_dev) { I don't know how ovl_adaptor could provide the dma function. As I know, dma device has a device node, and there is iommu property in that node. > ret = -ENODEV; > dev_err(drm->dev, "Need at least one OVL device\n"); > goto err_component_unbind; > } > > - dma_dev = &pdev->dev; > for (i = 0; i < private->data->mmsys_dev_num; i++) > private->all_drm_private[i]->dma_dev = dma_dev; > > @@ -514,6 +510,11 @@ static int compare_of(struct device *dev, void > *data) > return dev->of_node == data; > } > > +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); > @@ -702,6 +703,7 @@ static int mtk_drm_probe(struct platform_device > *pdev) > struct mtk_drm_private *private; > struct device_node *node; > struct component_match *match = NULL; > + struct platform_device *ovl_adaptor; > int ret; > int i; > > @@ -727,6 +729,19 @@ static int mtk_drm_probe(struct platform_device > *pdev) > return -ENODEV; > } > > + /* Bringup ovl_adaptor */ > + if (mtk_drm_find_mmsys_comp(private, > DDP_COMPONENT_OVL_ADAPTOR)) { > + ovl_adaptor = platform_device_register_data(dev, > "mediatek-disp-ovl-adaptor", > + PLATFORM_DE > VID_AUTO, > + (void > *)private->mmsys_dev, > + sizeof(*pri > vate->mmsys_dev)); > + private->ddp_comp[DDP_COMPONENT_OVL_ADAPTOR].dev = > &ovl_adaptor->dev; > + private->comp_node[DDP_COMPONENT_OVL_ADAPTOR] = > ovl_adaptor->dev.of_node; private->comp_node[DDP_COMPONENT_OVL_ADAPTOR] = NULL; Regards, CK > + mtk_ddp_comp_init(NULL, &private- > >ddp_comp[DDP_COMPONENT_OVL_ADAPTOR], > + DDP_COMPONENT_OVL_ADAPTOR); > + component_match_add(dev, &match, compare_dev, > &ovl_adaptor->dev); > + } > + > /* Iterate over sibling DISP function blocks */ > for_each_child_of_node(phandle->parent, node) { > const struct of_device_id *of_id; > @@ -780,6 +795,7 @@ 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_DPI || > comp_type == MTK_DSI) { > @@ -882,6 +898,7 @@ 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,
Hi, Chun-Kuang, Thanks for the review. On Fri, 2022-01-14 at 13:47 +0800, CK Hu wrote: > Hi, Nancy: > > On Mon, 2022-01-10 at 16:46 +0800, Nancy.Lin wrote: > > Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if > > the component exists in the path. > > > > Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> > > --- > > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++---- > > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 30 ++++++++++++--- > > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 + > > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 41 +++++++++++++++-- > > ---- > > 4 files changed, 62 insertions(+), 26 deletions(-) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > index fe2871aca859..62529a954b62 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > @@ -877,15 +877,13 @@ int mtk_drm_crtc_create(struct drm_device > > *drm_dev, > > node = priv->comp_node[comp_id]; > > comp = &priv->ddp_comp[comp_id]; > > > > - if (!node) { > > if (!node && comp_id != MTK_DISP_OVL_ADAPTOR) > OK > > - dev_info(dev, > > - "Not creating crtc %d because > > component %d is disabled or missing\n", > > - crtc_i, comp_id); > > - return 0; > > - } > > - > > - if (!comp->dev) { > > - dev_err(dev, "Component %pOF not > > initialized\n", node); > > + /* Not all drm components have a DTS device node, such > > as ovl_adaptor, > > + * which is the drm bring up sub driver > > + */ > > + if (!node && !comp->dev) { > > + dev_err(dev, > > + "Not creating crtc %d because component > > %d is disabled, missing or not initialized\n", > > + crtc_i, comp_id); > > return -ENODEV; > > } > > } > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > index 26d197da41c0..ce40bab9c56b 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > @@ -385,6 +385,18 @@ static const struct mtk_ddp_comp_funcs > > ddp_ufoe > > = { > > .start = mtk_ufoe_start, > > }; > > > > +static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { > > + .clk_enable = mtk_ovl_adaptor_clk_enable, > > + .clk_disable = mtk_ovl_adaptor_clk_disable, > > + .config = mtk_ovl_adaptor_config, > > + .start = mtk_ovl_adaptor_start, > > + .stop = mtk_ovl_adaptor_stop, > > + .layer_nr = mtk_ovl_adaptor_layer_nr, > > + .layer_config = mtk_ovl_adaptor_layer_config, > > + .enable_vblank = mtk_ovl_adaptor_enable_vblank, > > + .disable_vblank = mtk_ovl_adaptor_disable_vblank, > > +}; > > + > > static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] > > = > > { > > [MTK_DISP_AAL] = "aal", > > [MTK_DISP_BLS] = "bls", > > @@ -398,6 +410,7 @@ static const char * const > > mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { > > [MTK_DISP_OD] = "od", > > [MTK_DISP_OVL] = "ovl", > > [MTK_DISP_OVL_2L] = "ovl-2l", > > + [MTK_DISP_OVL_ADAPTOR] = "ovl_adaptor", > > [MTK_DISP_POSTMASK] = "postmask", > > [MTK_DISP_PWM] = "pwm", > > [MTK_DISP_RDMA] = "rdma", > > @@ -443,6 +456,7 @@ static const struct mtk_ddp_comp_match > > mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > > [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, > > &ddp_ovl }, > > [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, > > &ddp_ovl }, > > [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, > > &ddp_ovl }, > > + [DDP_COMPONENT_OVL_ADAPTOR] = { MTK_DISP_OVL_ADAPTOR, > > 0, &ddp_ovl_adaptor }, > > [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, > > &ddp_postmask }, > > [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, > > NULL }, > > [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, > > NULL }, > > @@ -548,12 +562,17 @@ int mtk_ddp_comp_init(struct device_node > > *node, > > struct mtk_ddp_comp *comp, > > > > comp->id = comp_id; > > comp->funcs = mtk_ddp_matches[comp_id].funcs; > > - comp_pdev = of_find_device_by_node(node); > > - if (!comp_pdev) { > > - DRM_INFO("Waiting for device %s\n", node->full_name); > > - return -EPROBE_DEFER; > > + /* Not all drm components have a DTS device node, such as > > ovl_adaptor, > > + * which is the drm bring up sub driver > > + */ > > + if (node) { > > + comp_pdev = of_find_device_by_node(node); > > + if (!comp_pdev) { > > + DRM_INFO("Waiting for device %s\n", node- > > > full_name); > > > > + return -EPROBE_DEFER; > > + } > > + comp->dev = &comp_pdev->dev; > > } > > - comp->dev = &comp_pdev->dev; > > > > /* Only DMA capable components need the LARB property */ > > if (type == MTK_DISP_OVL || > > @@ -573,6 +592,7 @@ int mtk_ddp_comp_init(struct device_node *node, > > struct mtk_ddp_comp *comp, > > type == MTK_DISP_MERGE || > > type == MTK_DISP_OVL || > > type == MTK_DISP_OVL_2L || > > + type == MTK_DISP_OVL_ADAPTOR || > > type == MTK_DISP_PWM || > > type == MTK_DISP_RDMA || > > type == MTK_DPI || > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > index 221e2e3a3c8d..5e1404dc20c4 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > @@ -30,6 +30,7 @@ enum mtk_ddp_comp_type { > > MTK_DISP_OD, > > MTK_DISP_OVL, > > MTK_DISP_OVL_2L, > > + MTK_DISP_OVL_ADAPTOR, > > MTK_DISP_POSTMASK, > > MTK_DISP_PWM, > > MTK_DISP_RDMA, > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > index a05703843af2..36430f956b4f 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > @@ -351,9 +351,7 @@ static int mtk_drm_kms_init(struct drm_device > > *drm) > > { > > struct mtk_drm_private *private = drm->dev_private; > > struct mtk_drm_private *priv_n; > > - struct platform_device *pdev; > > - struct device_node *np = NULL; > > - struct device *dma_dev; > > + struct device *dma_dev = NULL; > > int ret, i, j; > > > > ret = drmm_mode_config_init(drm); > > @@ -400,8 +398,8 @@ static int mtk_drm_kms_init(struct drm_device > > *drm) > > if (ret) > > goto err_component_unbind; > > > > - if (!np) > > - np = priv_n->comp_node[priv_n- > > > data->main_path[0]]; > > > > + if (!dma_dev) > > + dma_dev = priv_n- > > > ddp_comp[priv_n->data->main_path[0]].dev; > > > > > > continue; > > } else if (i == 1 && priv_n->data->ext_len) { > > @@ -410,8 +408,8 @@ static int mtk_drm_kms_init(struct drm_device > > *drm) > > if (ret) > > goto err_component_unbind; > > > > - if (!np) > > - np = priv_n->comp_node[priv_n- > > > data->ext_path[0]]; > > > > + if (!dma_dev) > > + dma_dev = priv_n- > > > ddp_comp[priv_n->data->ext_path[0]].dev; > > > > > > continue; > > } else if (i == 2 && priv_n->data->third_len) { > > @@ -420,22 +418,20 @@ static int mtk_drm_kms_init(struct drm_device > > *drm) > > if (ret) > > goto err_component_unbind; > > > > - if (!np) > > - np = priv_n->comp_node[priv_n- > > > data->third_path[0]]; > > > > + if (!dma_dev) > > + dma_dev = priv_n- > > > ddp_comp[priv_n->data->third_path[0]].dev; > > > > > > continue; > > } > > } > > } > > > > - pdev = of_find_device_by_node(np); > > - if (!pdev) { > > + if (!dma_dev) { > > I don't know how ovl_adaptor could provide the dma function. As I > know, > dma device has a device node, and there is iommu property in that > node. I will add new function for getting ovl_adaptor sub driver's dma dev. > > > ret = -ENODEV; > > dev_err(drm->dev, "Need at least one OVL device\n"); > > goto err_component_unbind; > > } > > > > - dma_dev = &pdev->dev; > > for (i = 0; i < private->data->mmsys_dev_num; i++) > > private->all_drm_private[i]->dma_dev = dma_dev; > > > > @@ -514,6 +510,11 @@ static int compare_of(struct device *dev, void > > *data) > > return dev->of_node == data; > > } > > > > +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); > > @@ -702,6 +703,7 @@ static int mtk_drm_probe(struct platform_device > > *pdev) > > struct mtk_drm_private *private; > > struct device_node *node; > > struct component_match *match = NULL; > > + struct platform_device *ovl_adaptor; > > int ret; > > int i; > > > > @@ -727,6 +729,19 @@ static int mtk_drm_probe(struct > > platform_device > > *pdev) > > return -ENODEV; > > } > > > > + /* Bringup ovl_adaptor */ > > + if (mtk_drm_find_mmsys_comp(private, > > DDP_COMPONENT_OVL_ADAPTOR)) { > > + ovl_adaptor = platform_device_register_data(dev, > > "mediatek-disp-ovl-adaptor", > > + PLATFORM_DE > > VID_AUTO, > > + (void > > *)private->mmsys_dev, > > + sizeof(*pri > > vate->mmsys_dev)); > > + private->ddp_comp[DDP_COMPONENT_OVL_ADAPTOR].dev = > > &ovl_adaptor->dev; > > + private->comp_node[DDP_COMPONENT_OVL_ADAPTOR] = > > ovl_adaptor->dev.of_node; > > private->comp_node[DDP_COMPONENT_OVL_ADAPTOR] = NULL; > > Regards, > CK > OK Regards, Nancy > > + mtk_ddp_comp_init(NULL, &private- > > > ddp_comp[DDP_COMPONENT_OVL_ADAPTOR], > > > > + DDP_COMPONENT_OVL_ADAPTOR); > > + component_match_add(dev, &match, compare_dev, > > &ovl_adaptor->dev); > > + } > > + > > /* Iterate over sibling DISP function blocks */ > > for_each_child_of_node(phandle->parent, node) { > > const struct of_device_id *of_id; > > @@ -780,6 +795,7 @@ 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_DPI || > > comp_type == MTK_DSI) { > > @@ -882,6 +898,7 @@ 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, > >
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index fe2871aca859..62529a954b62 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -877,15 +877,13 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, node = priv->comp_node[comp_id]; comp = &priv->ddp_comp[comp_id]; - if (!node) { - dev_info(dev, - "Not creating crtc %d because component %d is disabled or missing\n", - crtc_i, comp_id); - return 0; - } - - if (!comp->dev) { - dev_err(dev, "Component %pOF not initialized\n", node); + /* Not all drm components have a DTS device node, such as ovl_adaptor, + * which is the drm bring up sub driver + */ + if (!node && !comp->dev) { + dev_err(dev, + "Not creating crtc %d because component %d is disabled, missing or not initialized\n", + crtc_i, comp_id); return -ENODEV; } } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 26d197da41c0..ce40bab9c56b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -385,6 +385,18 @@ static const struct mtk_ddp_comp_funcs ddp_ufoe = { .start = mtk_ufoe_start, }; +static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { + .clk_enable = mtk_ovl_adaptor_clk_enable, + .clk_disable = mtk_ovl_adaptor_clk_disable, + .config = mtk_ovl_adaptor_config, + .start = mtk_ovl_adaptor_start, + .stop = mtk_ovl_adaptor_stop, + .layer_nr = mtk_ovl_adaptor_layer_nr, + .layer_config = mtk_ovl_adaptor_layer_config, + .enable_vblank = mtk_ovl_adaptor_enable_vblank, + .disable_vblank = mtk_ovl_adaptor_disable_vblank, +}; + static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { [MTK_DISP_AAL] = "aal", [MTK_DISP_BLS] = "bls", @@ -398,6 +410,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { [MTK_DISP_OD] = "od", [MTK_DISP_OVL] = "ovl", [MTK_DISP_OVL_2L] = "ovl-2l", + [MTK_DISP_OVL_ADAPTOR] = "ovl_adaptor", [MTK_DISP_POSTMASK] = "postmask", [MTK_DISP_PWM] = "pwm", [MTK_DISP_RDMA] = "rdma", @@ -443,6 +456,7 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, &ddp_ovl }, [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, &ddp_ovl }, [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, &ddp_ovl }, + [DDP_COMPONENT_OVL_ADAPTOR] = { MTK_DISP_OVL_ADAPTOR, 0, &ddp_ovl_adaptor }, [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, &ddp_postmask }, [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL }, [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, @@ -548,12 +562,17 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, comp->id = comp_id; comp->funcs = mtk_ddp_matches[comp_id].funcs; - comp_pdev = of_find_device_by_node(node); - if (!comp_pdev) { - DRM_INFO("Waiting for device %s\n", node->full_name); - return -EPROBE_DEFER; + /* Not all drm components have a DTS device node, such as ovl_adaptor, + * which is the drm bring up sub driver + */ + if (node) { + comp_pdev = of_find_device_by_node(node); + if (!comp_pdev) { + DRM_INFO("Waiting for device %s\n", node->full_name); + return -EPROBE_DEFER; + } + comp->dev = &comp_pdev->dev; } - comp->dev = &comp_pdev->dev; /* Only DMA capable components need the LARB property */ if (type == MTK_DISP_OVL || @@ -573,6 +592,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, type == MTK_DISP_MERGE || type == MTK_DISP_OVL || type == MTK_DISP_OVL_2L || + type == MTK_DISP_OVL_ADAPTOR || type == MTK_DISP_PWM || type == MTK_DISP_RDMA || type == MTK_DPI || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 221e2e3a3c8d..5e1404dc20c4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -30,6 +30,7 @@ enum mtk_ddp_comp_type { MTK_DISP_OD, MTK_DISP_OVL, MTK_DISP_OVL_2L, + MTK_DISP_OVL_ADAPTOR, MTK_DISP_POSTMASK, MTK_DISP_PWM, MTK_DISP_RDMA, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index a05703843af2..36430f956b4f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -351,9 +351,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) { struct mtk_drm_private *private = drm->dev_private; struct mtk_drm_private *priv_n; - struct platform_device *pdev; - struct device_node *np = NULL; - struct device *dma_dev; + struct device *dma_dev = NULL; int ret, i, j; ret = drmm_mode_config_init(drm); @@ -400,8 +398,8 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret) goto err_component_unbind; - if (!np) - np = priv_n->comp_node[priv_n->data->main_path[0]]; + if (!dma_dev) + dma_dev = priv_n->ddp_comp[priv_n->data->main_path[0]].dev; continue; } else if (i == 1 && priv_n->data->ext_len) { @@ -410,8 +408,8 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret) goto err_component_unbind; - if (!np) - np = priv_n->comp_node[priv_n->data->ext_path[0]]; + if (!dma_dev) + dma_dev = priv_n->ddp_comp[priv_n->data->ext_path[0]].dev; continue; } else if (i == 2 && priv_n->data->third_len) { @@ -420,22 +418,20 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret) goto err_component_unbind; - if (!np) - np = priv_n->comp_node[priv_n->data->third_path[0]]; + if (!dma_dev) + dma_dev = priv_n->ddp_comp[priv_n->data->third_path[0]].dev; continue; } } } - pdev = of_find_device_by_node(np); - if (!pdev) { + if (!dma_dev) { ret = -ENODEV; dev_err(drm->dev, "Need at least one OVL device\n"); goto err_component_unbind; } - dma_dev = &pdev->dev; for (i = 0; i < private->data->mmsys_dev_num; i++) private->all_drm_private[i]->dma_dev = dma_dev; @@ -514,6 +510,11 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } +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); @@ -702,6 +703,7 @@ static int mtk_drm_probe(struct platform_device *pdev) struct mtk_drm_private *private; struct device_node *node; struct component_match *match = NULL; + struct platform_device *ovl_adaptor; int ret; int i; @@ -727,6 +729,19 @@ static int mtk_drm_probe(struct platform_device *pdev) return -ENODEV; } + /* Bringup ovl_adaptor */ + if (mtk_drm_find_mmsys_comp(private, DDP_COMPONENT_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_OVL_ADAPTOR].dev = &ovl_adaptor->dev; + private->comp_node[DDP_COMPONENT_OVL_ADAPTOR] = ovl_adaptor->dev.of_node; + mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_OVL_ADAPTOR], + DDP_COMPONENT_OVL_ADAPTOR); + component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev); + } + /* Iterate over sibling DISP function blocks */ for_each_child_of_node(phandle->parent, node) { const struct of_device_id *of_id; @@ -780,6 +795,7 @@ 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_DPI || comp_type == MTK_DSI) { @@ -882,6 +898,7 @@ 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,
Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if the component exists in the path. Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com> --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++---- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 30 ++++++++++++--- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 + drivers/gpu/drm/mediatek/mtk_drm_drv.c | 41 +++++++++++++++------ 4 files changed, 62 insertions(+), 26 deletions(-)