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Mon, 01 Feb 2021 21:43:46 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Feb 2021 21:43:27 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 2 Feb 2021 13:43:17 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 2 Feb 2021 13:43:17 +0800 Message-ID: <1612244597.5495.1.camel@mtksdaap41> Subject: Re: [PATCH v5 2/8] drm/mediatek: add component POSTMASK From: CK Hu To: Hsin-Yi Wang Date: Tue, 2 Feb 2021 13:43:17 +0800 In-Reply-To: <20210201103727.376721-3-hsinyi@chromium.org> References: <20210201103727.376721-1-hsinyi@chromium.org> <20210201103727.376721-3-hsinyi@chromium.org> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 279E678B9FAC54269C18FB7F3383F7F0B137905EBD748A4B2B8826E5987033C92000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210202_004354_115913_D4C40DCD X-CRM114-Status: GOOD ( 28.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Philipp Zabel , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Yongqiang Niu , linux-mediatek@lists.infradead.org, Daniel Vetter , Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Hsin-Yi: It looks like that postmask driver could be placed in mtk_drm_ddp_comp.c and this patch would much smaller. Regards, CK On Mon, 2021-02-01 at 18:37 +0800, Hsin-Yi Wang wrote: > From: Yongqiang Niu > > This patch add component POSTMASK. > > Signed-off-by: Yongqiang Niu > Signed-off-by: Hsin-Yi Wang > --- > drivers/gpu/drm/mediatek/Makefile | 1 + > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 + > drivers/gpu/drm/mediatek/mtk_disp_postmask.c | 149 +++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 71 +++++---- > 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 + > 7 files changed, 204 insertions(+), 31 deletions(-) > 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 b64674b944860..13a0eafabf9c0 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_comp.o \ > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index cdb0383f99061..06d4d4e1c0d05 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -37,6 +37,14 @@ void mtk_gamma_set_common(void __iomem *regs, struct drm_crtc_state *state); > void mtk_gamma_start(struct device *dev); > void mtk_gamma_stop(struct device *dev); > > +int mtk_postmask_clk_enable(struct device *dev); > +void mtk_postmask_clk_disable(struct device *dev); > +void mtk_postmask_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +void mtk_postmask_start(struct device *dev); > +void mtk_postmask_stop(struct device *dev); > + > void mtk_ovl_bgclr_in_on(struct device *dev); > void mtk_ovl_bgclr_in_off(struct device *dev); > void mtk_ovl_bypass_shadow(struct device *dev); > 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 0000000000000..5a109fee6b238 > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_disp_postmask.c > @@ -0,0 +1,149 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2021 MediaTek Inc. > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include "mtk_disp_drv.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 - 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 clk *clk; > + void __iomem *regs; > + struct cmdq_client_reg cmdq_reg; > +}; > + > +int mtk_postmask_clk_enable(struct device *dev) > +{ > + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); > + > + return clk_prepare_enable(postmask->clk); > +} > + > +void mtk_postmask_clk_disable(struct device *dev) > +{ > + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); > + > + clk_disable_unprepare(postmask->clk); > +} > + > +void mtk_postmask_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > +{ > + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); > + > + mtk_ddp_write(cmdq_pkt, w << 16 | h, &postmask->cmdq_reg, postmask->regs, > + DISP_POSTMASK_SIZE); > + mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &postmask->cmdq_reg, > + postmask->regs, DISP_POSTMASK_CFG); > +} > + > +void mtk_postmask_start(struct device *dev) > +{ > + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); > + > + writel(POSTMASK_EN, postmask->regs + DISP_POSTMASK_EN); > +} > + > +void mtk_postmask_stop(struct device *dev) > +{ > + struct mtk_disp_postmask *postmask = dev_get_drvdata(dev); > + > + writel_relaxed(0x0, postmask->regs + DISP_POSTMASK_EN); > +} > + > +static int mtk_disp_postmask_bind(struct device *dev, struct device *master, void *data) > +{ > + return 0; > +} > + > +static void mtk_disp_postmask_unbind(struct device *dev, struct device *master, > + void *data) > +{ > +} > + > +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; > + struct resource *res; > + int ret; > + > + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); > + if (!priv) > + return -ENOMEM; > + > + priv->clk = devm_clk_get(dev, NULL); > + if (IS_ERR(priv->clk)) { > + dev_err(dev, "failed to get postmask clk\n"); > + return PTR_ERR(priv->clk); > + } > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + priv->regs = devm_ioremap_resource(dev, res); > + if (IS_ERR(priv->regs)) { > + dev_err(dev, "failed to ioremap postmask\n"); > + return PTR_ERR(priv->regs); > + } > + > +#if IS_REACHABLE(CONFIG_MTK_CMDQ) > + ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0); > + if (ret) > + dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); > +#endif > + > + platform_set_drvdata(pdev, priv); > + > + 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) > +{ > + 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 b6c4e73031ca6..7a6efc849694b 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -413,6 +413,14 @@ static const struct mtk_ddp_comp_funcs ddp_ovl = { > .bgclr_in_off = mtk_ovl_bgclr_in_off, > }; > > +static const struct mtk_ddp_comp_funcs ddp_postmask = { > + .clk_enable = mtk_postmask_clk_enable, > + .clk_disable = mtk_postmask_clk_disable, > + .config = mtk_postmask_config, > + .start = mtk_postmask_start, > + .stop = mtk_postmask_stop, > +}; > + > static const struct mtk_ddp_comp_funcs ddp_rdma = { > .clk_enable = mtk_rdma_clk_enable, > .clk_disable = mtk_rdma_clk_disable, > @@ -448,6 +456,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { > [MTK_DISP_MUTEX] = "mutex", > [MTK_DISP_OD] = "od", > [MTK_DISP_BLS] = "bls", > + [MTK_DISP_POSTMASK] = "postmask", > }; > > struct mtk_ddp_comp_match { > @@ -457,36 +466,37 @@ struct mtk_ddp_comp_match { > }; > > static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > - [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal }, > - [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal }, > - [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, > - [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr }, > - [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, > - [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, > - [DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither }, > - [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi }, > - [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi }, > - [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi }, > - [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi }, > - [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi }, > - [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi }, > - [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma }, > - [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od }, > - [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od }, > - [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl }, > - [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl }, > - [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_PWM0] = { MTK_DISP_PWM, 0, NULL }, > - [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, > - [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL }, > - [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma }, > - [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma }, > - [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma }, > - [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe }, > - [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL }, > - [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, > + [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal }, > + [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal }, > + [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, > + [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr }, > + [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, > + [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, > + [DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither }, > + [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi }, > + [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi }, > + [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi }, > + [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi }, > + [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi }, > + [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi }, > + [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma }, > + [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od }, > + [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od }, > + [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl }, > + [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl }, > + [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_POSTMASK0] = { MTK_DISP_POSTMASK, 0, &ddp_postmask }, > + [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL }, > + [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL }, > + [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL }, > + [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma }, > + [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma }, > + [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma }, > + [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe }, > + [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL }, > + [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, > }; > > static bool mtk_drm_find_comp_in_ddp(struct device *dev, > @@ -601,6 +611,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, > if (type == MTK_DISP_BLS || > type == MTK_DISP_COLOR || > type == MTK_DISP_GAMMA || > + type == MTK_DISP_POSTMASK || > type == MTK_DPI || > type == MTK_DSI || > type == MTK_DISP_OVL || > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > index bb914d976cf5d..cd1dec6b4cdf2 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_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 486e73e675ad5..d99afc8528684 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -531,7 +531,7 @@ 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. > */ > @@ -539,6 +539,7 @@ 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) { > @@ -637,6 +638,7 @@ static struct platform_driver * const mtk_drm_drivers[] = { > &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 0e54e3d51014a..7e7b28e32aa2f 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > @@ -49,6 +49,7 @@ 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; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel