Hi, Yongqiang: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> 於 2021年1月11日 週一 下午3:44寫道： > > This patch add component POSTMASK, This patch has conflicts with the series "Decouple Mediatek DRM sub driver" [1] which has been applied to mediatek-drm-next, so please rebase this patch onto mediatek-drm-next. [1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=399915 Regards, Chun-Kuang. > > Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > --- > drivers/gpu/drm/mediatek/Makefile | 1 + > drivers/gpu/drm/mediatek/mtk_disp_postmask.c | 160 +++++++++++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 + > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 + > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 4 +- > drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 + > 6 files changed, 168 insertions(+), 1 deletion(-) > create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_postmask.c > > diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile > index 17a08e2..ce5ad59 100644 > --- a/drivers/gpu/drm/mediatek/Makefile > +++ b/drivers/gpu/drm/mediatek/Makefile > @@ -3,6 +3,7 @@ > mediatek-drm-y := mtk_disp_color.o \ > mtk_disp_gamma.o \ > mtk_disp_ovl.o \ > + mtk_disp_postmask.o \ > mtk_disp_rdma.o \ > mtk_drm_crtc.o \ > mtk_drm_ddp.o \ > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_postmask.c b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c > new file mode 100644 > index 0000000..736224c > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c > @@ -0,0 +1,160 @@ > +/* > + * SPDX-License-Identifier: > + * > + * Copyright (c) 2020 MediaTek Inc. > + */ > + > +#include <linux/clk.h> > +#include <linux/component.h> > +#include <linux/module.h> > +#include <linux/of_device.h> > +#include <linux/pm_runtime.h> > +#include <linux/of_irq.h> > +#include <linux/platform_device.h> > +#include <linux/soc/mediatek/mtk-cmdq.h> > + > +#include "mtk_drm_crtc.h" > +#include "mtk_drm_ddp_comp.h" > + > +#define DISP_POSTMASK_EN 0x0000 > +#define POSTMASK_EN BIT(0) > +#define DISP_POSTMASK_CFG 0x0020 > +#define POSTMASK_RELAY_MODE BIT(0) > +#define DISP_POSTMASK_SIZE 0x0030 > + > +struct mtk_disp_postmask_data { > + u32 reserved; > +}; > + > +/** > + * struct mtk_disp_postmask - DISP_postmask driver structure > + * @ddp_comp - structure containing type enum and hardware resources > + * @crtc - associated crtc to report irq events to > + */ > +struct mtk_disp_postmask { > + struct mtk_ddp_comp ddp_comp; > + const struct mtk_disp_postmask_data *data; > +}; > + > +static inline struct mtk_disp_postmask *comp_to_postmask(struct mtk_ddp_comp *comp) > +{ > + return container_of(comp, struct mtk_disp_postmask, ddp_comp); > +} > + > +static void mtk_postmask_config(struct mtk_ddp_comp *comp, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > +{ > + mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_POSTMASK_SIZE); > + mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, comp, DISP_POSTMASK_CFG); > +} > + > +static void mtk_postmask_start(struct mtk_ddp_comp *comp) > +{ > + writel(POSTMASK_EN, comp->regs + DISP_POSTMASK_EN); > +} > + > +static void mtk_postmask_stop(struct mtk_ddp_comp *comp) > +{ > + writel_relaxed(0x0, comp->regs + DISP_POSTMASK_EN); > +} > + > +static const struct mtk_ddp_comp_funcs mtk_disp_postmask_funcs = { > + .config = mtk_postmask_config, > + .start = mtk_postmask_start, > + .stop = mtk_postmask_stop, > +}; > + > +static int mtk_disp_postmask_bind(struct device *dev, struct device *master, void *data) > +{ > + struct mtk_disp_postmask *priv = dev_get_drvdata(dev); > + struct drm_device *drm_dev = data; > + int ret; > + > + ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp); > + if (ret < 0) { > + dev_err(dev, "Failed to register component %pOF: %d\n", > + dev->of_node, ret); > + return ret; > + } > + > + return 0; > +} > + > +static void mtk_disp_postmask_unbind(struct device *dev, struct device *master, > + void *data) > +{ > + struct mtk_disp_postmask *priv = dev_get_drvdata(dev); > + struct drm_device *drm_dev = data; > + > + mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp); > +} > + > +static const struct component_ops mtk_disp_postmask_component_ops = { > + .bind = mtk_disp_postmask_bind, > + .unbind = mtk_disp_postmask_unbind, > +}; > + > +static int mtk_disp_postmask_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct mtk_disp_postmask *priv; > + int comp_id; > + int ret; > + > + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); > + if (!priv) > + return -ENOMEM; > + > + comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_POSTMASK); > + if (comp_id < 0) { > + dev_err(dev, "Failed to identify by alias: %d\n", comp_id); > + return comp_id; > + } > + > + ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id, > + &mtk_disp_postmask_funcs); > + if (ret) { > + if (ret != -EPROBE_DEFER) > + dev_err(dev, "Failed to initialize component: %d\n", > + ret); > + > + return ret; > + } > + > + priv->data = of_device_get_match_data(dev); > + > + platform_set_drvdata(pdev, priv); > + > + pm_runtime_enable(dev); > + > + ret = component_add(dev, &mtk_disp_postmask_component_ops); > + if (ret) > + dev_err(dev, "Failed to add component: %d\n", ret); > + > + return ret; > +} > + > +static int mtk_disp_postmask_remove(struct platform_device *pdev) > +{ > + pm_runtime_disable(&pdev->dev); > + > + component_del(&pdev->dev, &mtk_disp_postmask_component_ops); > + > + return 0; > +} > + > +static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = { > + {}, > +}; > +MODULE_DEVICE_TABLE(of, mtk_disp_postmask_driver_dt_match); > + > +struct platform_driver mtk_disp_postmask_driver = { > + .probe = mtk_disp_postmask_probe, > + .remove = mtk_disp_postmask_remove, > + .driver = { > + .name = "mediatek-disp-postmask", > + .owner = THIS_MODULE, > + .of_match_table = mtk_disp_postmask_driver_dt_match, > + }, > +}; > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > index a715127..bc6b10a 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -354,6 +354,7 @@ static void mtk_dither_stop(struct mtk_ddp_comp *comp) > [MTK_DISP_MUTEX] = "mutex", > [MTK_DISP_OD] = "od", > [MTK_DISP_BLS] = "bls", > + [MTK_DISP_POSTMASK] = "postmask", > }; > > struct mtk_ddp_comp_match { > @@ -384,6 +385,7 @@ struct mtk_ddp_comp_match { > [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, NULL }, > [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, NULL }, > [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, NULL }, > + [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, NULL }, > [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL }, > [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, > [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL }, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index 178fae9..0b23b5c 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -29,6 +29,7 @@ enum mtk_ddp_comp_type { > MTK_DISP_UFOE, > MTK_DSI, > MTK_DPI, > + MTK_DISP_POSTMASK, > MTK_DISP_PWM, > MTK_DISP_MUTEX, > MTK_DISP_OD, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index b6e963e..bc205e9 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -533,7 +533,7 @@ static int mtk_drm_probe(struct platform_device *pdev) > private->comp_node[comp_id] = of_node_get(node); > > /* > - * Currently only the COLOR, GAMMA, OVL, RDMA, DSI, and DPI blocks have > + * Currently only the COLOR, GAMMA, OVL, POSTMASK, RDMA, DSI, and DPI blocks have > * separate component platform drivers and initialize their own > * DDP component structure. The others are initialized here. > */ > @@ -541,6 +541,7 @@ static int mtk_drm_probe(struct platform_device *pdev) > comp_type == MTK_DISP_GAMMA || > comp_type == MTK_DISP_OVL || > comp_type == MTK_DISP_OVL_2L || > + comp_type == MTK_DISP_POSTMASK || > comp_type == MTK_DISP_RDMA || > comp_type == MTK_DSI || > comp_type == MTK_DPI) { > @@ -654,6 +655,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, > &mtk_disp_color_driver, > &mtk_disp_gamma_driver, > &mtk_disp_ovl_driver, > + &mtk_disp_postmask_driver, > &mtk_disp_rdma_driver, > &mtk_dpi_driver, > &mtk_drm_platform_driver, > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > index bbd362b..8a9544b 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > @@ -50,6 +50,7 @@ struct mtk_drm_private { > extern struct platform_driver mtk_disp_color_driver; > extern struct platform_driver mtk_disp_gamma_driver; > extern struct platform_driver mtk_disp_ovl_driver; > +extern struct platform_driver mtk_disp_postmask_driver; > extern struct platform_driver mtk_disp_rdma_driver; > extern struct platform_driver mtk_dpi_driver; > extern struct platform_driver mtk_dsi_driver; > -- > 1.8.1.1.dirty > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-mediatek
