| Message ID | 20210710113819.5170-9-jason-jh.lin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add MediaTek SoC DRM (vdosys0) support for mt8195 | expand |
Hi, Jason: jason-jh.lin <jason-jh.lin@mediatek.com> 於 2021年7月10日 週六 下午7:38寫道： > > Add DSC module file. Introduce DSC here. > > Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com> > --- > drivers/gpu/drm/mediatek/Makefile | 1 + > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 + > drivers/gpu/drm/mediatek/mtk_disp_dsc.c | 205 ++++++++++++++++++++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 13 ++ > 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, 233 insertions(+) > create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_dsc.c > > diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile > index dc54a7a69005..a1b239135c8f 100644 > --- a/drivers/gpu/drm/mediatek/Makefile > +++ b/drivers/gpu/drm/mediatek/Makefile > @@ -5,6 +5,7 @@ mediatek-drm-y := mtk_disp_ccorr.o \ > mtk_disp_gamma.o \ > mtk_disp_ovl.o \ > mtk_disp_rdma.o \ > + mtk_disp_dsc.o \ > mtk_drm_crtc.o \ > mtk_drm_ddp_comp.o \ > mtk_drm_drv.o \ > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index cafd9df2d63b..128d9fdbaf9e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -89,4 +89,12 @@ void mtk_rdma_enable_vblank(struct device *dev, > void *vblank_cb_data); > void mtk_rdma_disable_vblank(struct device *dev); > > +int mtk_dsc_clk_enable(struct device *dev); > +void mtk_dsc_clk_disable(struct device *dev); > +void mtk_dsc_config(struct device *dev, unsigned int width, > + unsigned int height, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +void mtk_dsc_start(struct device *dev); > +void mtk_dsc_stop(struct device *dev); > + > #endif > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_dsc.c b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c > new file mode 100644 > index 000000000000..61187f824c19 > --- /dev/null > +++ b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c > @@ -0,0 +1,205 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2021 MediaTek Inc. > + */ > + > +#include <linux/clk.h> > +#include <linux/component.h> > +#include <linux/of_device.h> > +#include <linux/of_irq.h> > +#include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > +#include <linux/soc/mediatek/mtk-cmdq.h> > + > +#include "mtk_drm_crtc.h" > +#include "mtk_drm_ddp_comp.h" > +#include "mtk_drm_gem.h" > +#include "mtk_disp_drv.h" > + > +#define DISP_REG_DSC_CON 0x0000 > +#define DSC_EN BIT(0) > +#define DSC_DUAL_INOUT BIT(2) > +#define DSC_IN_SRC_SEL BIT(3) > +#define DSC_BYPASS BIT(4) > +#define DSC_RELAY BIT(5) > +#define DSC_EMPTY_FLAG_SEL 0xc000 > +#define DSC_UFOE_SEL BIT(16) > +#define DISP_REG_DSC_OBUF 0x0070 > + > +/** > + * struct mtk_disp_dsc - DISP_DSC driver structure > + * @clk - clk of dsc hardware > + * @regs - hardware register address of dsc > + * @comp_id - enum type of component id > + * @cmdq_reg - structure containing cmdq hardware resource > + */ > +struct mtk_disp_dsc { > + struct clk *clk; > + void __iomem *regs; > + enum mtk_ddp_comp_id comp_id; comp_id is useless, so remove. > + struct cmdq_client_reg cmdq_reg; > +}; > + > +void mtk_dsc_start(struct device *dev) > +{ > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > + void __iomem *baddr = dsc->regs; > + int ret = 0; > + > + ret = pm_runtime_get_sync(dev); I think no sub driver enable the power, so sync with other sub driver. > + if (ret < 0) > + DRM_ERROR("Failed to enable power domain: %d\n", ret); > + > + mtk_ddp_write_mask(NULL, DSC_EN, > + &dsc->cmdq_reg, baddr, > + DISP_REG_DSC_CON, DSC_EN); > + > + pr_debug("dsc_start:0x%x\n", readl(baddr + DISP_REG_DSC_CON)); No sub driver print this, sync with other sub driver. > +} > + > +void mtk_dsc_stop(struct device *dev) > +{ > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > + void __iomem *baddr = dsc->regs; > + int ret = 0; > + > + mtk_ddp_write_mask(NULL, 0x0, &dsc->cmdq_reg, baddr, > + DISP_REG_DSC_CON, DSC_EN); > + > + pr_debug("dsc_stop:0x%x\n", readl(baddr + DISP_REG_DSC_CON)); Why we need this information? > + > + ret = pm_runtime_put(dev); Ditto as pm_runtime_get_sync(). > + if (ret < 0) > + DRM_ERROR("Failed to disable power domain: %d\n", ret); > +} > + > +int mtk_dsc_clk_enable(struct device *dev) > +{ > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > + > + return clk_prepare_enable(dsc->clk); > +} > + > +void mtk_dsc_clk_disable(struct device *dev) > +{ > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > + > + clk_disable_unprepare(dsc->clk); > +} > + > +void mtk_dsc_config(struct device *dev, unsigned int w, > + unsigned int h, unsigned int vrefresh, > + unsigned int bpc, struct cmdq_pkt *handle) > +{ > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > + > + /* dsc bypass mode */ > + mtk_ddp_write_mask(handle, DSC_BYPASS, > + &dsc->cmdq_reg, dsc->regs, > + DISP_REG_DSC_CON, DSC_BYPASS); > + mtk_ddp_write_mask(handle, DSC_UFOE_SEL, > + &dsc->cmdq_reg, dsc->regs, > + DISP_REG_DSC_CON, DSC_UFOE_SEL); > + mtk_ddp_write_mask(handle, DSC_DUAL_INOUT, > + &dsc->cmdq_reg, dsc->regs, > + DISP_REG_DSC_CON, DSC_DUAL_INOUT); > +} > + > +static int mtk_disp_dsc_bind(struct device *dev, struct device *master, > + void *data) > +{ > + return 0; > +} > + > +static void mtk_disp_dsc_unbind(struct device *dev, struct device *master, > + void *data) > +{ > +} > + > +static const struct component_ops mtk_disp_dsc_component_ops = { > + .bind = mtk_disp_dsc_bind, > + .unbind = mtk_disp_dsc_unbind, > +}; > + > +static int mtk_disp_dsc_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct resource *res; > + struct mtk_disp_dsc *priv; > + enum mtk_ddp_comp_id comp_id; > + int irq; > + 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_DSC); > + if ((int)comp_id < 0) { > + dev_err(dev, "Failed to identify by alias: %d\n", comp_id); > + return comp_id; > + } > + > + priv->comp_id = comp_id; > + > + irq = platform_get_irq(pdev, 0); Why do you get irq? > + if (irq < 0) > + return irq; > + > + priv->clk = devm_clk_get(dev, NULL); > + if (IS_ERR(priv->clk)) { > + dev_err(dev, "failed to get dsc 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 dsc\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); > + > + pm_runtime_enable(dev); Sync with other sub driver. > + > + ret = component_add(dev, &mtk_disp_dsc_component_ops); > + if (ret != 0) { > + dev_err(dev, "Failed to add component: %d\n", ret); > + pm_runtime_disable(dev); > + } > + > + return ret; > +} > + > +static int mtk_disp_dsc_remove(struct platform_device *pdev) > +{ > + component_del(&pdev->dev, &mtk_disp_dsc_component_ops); > + > + pm_runtime_disable(&pdev->dev); Sync with other sub driver. > + > + return 0; > +} > + > +static const struct of_device_id mtk_disp_dsc_driver_dt_match[] = { > + { .compatible = "mediatek,mt8195-disp-dsc", }, > + {}, > +}; > + > +MODULE_DEVICE_TABLE(of, mtk_disp_dsc_driver_dt_match); > + > +struct platform_driver mtk_disp_dsc_driver = { > + .probe = mtk_disp_dsc_probe, > + .remove = mtk_disp_dsc_remove, > + .driver = { > + .name = "mediatek-disp-dsc", > + .owner = THIS_MODULE, > + .of_match_table = mtk_disp_dsc_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 75bc00e17fc4..d0b0f41dfe5a 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -333,6 +333,14 @@ static const struct mtk_ddp_comp_funcs ddp_rdma = { > .layer_config = mtk_rdma_layer_config, > }; > > +static const struct mtk_ddp_comp_funcs ddp_dsc = { > + .config = mtk_dsc_config, > + .start = mtk_dsc_start, > + .stop = mtk_dsc_stop, > + .clk_enable = mtk_dsc_clk_enable, > + .clk_disable = mtk_dsc_clk_disable, > +}; > + > static const struct mtk_ddp_comp_funcs ddp_ufoe = { > .clk_enable = mtk_ddp_clk_enable, > .clk_disable = mtk_ddp_clk_disable, > @@ -356,6 +364,7 @@ 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_DSC] = "dsc", > }; > > struct mtk_ddp_comp_match { > @@ -391,6 +400,9 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > [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_DSC0] = { MTK_DISP_DSC, 0, &ddp_dsc }, > + [DDP_COMPONENT_DSC1] = { MTK_DISP_DSC, 1, &ddp_dsc }, > + [DDP_COMPONENT_DSC1_VIRTUAL0] = { MTK_DISP_DSC, -1, &ddp_dsc }, Alphabetic order. > [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 }, > @@ -509,6 +521,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, > type == MTK_DISP_CCORR || > type == MTK_DISP_COLOR || > type == MTK_DISP_GAMMA || > + type == MTK_DISP_DSC || Alphabetic order. > 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 bb914d976cf5..661fb620e266 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > @@ -34,6 +34,7 @@ enum mtk_ddp_comp_type { > MTK_DISP_MUTEX, > MTK_DISP_OD, > MTK_DISP_BLS, > + MTK_DISP_DSC, > MTK_DDP_COMP_TYPE_MAX, > }; > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index d6f6d1bdad85..7dfca63c1042 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -446,6 +446,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { > .data = (void *)MTK_DISP_GAMMA, }, > { .compatible = "mediatek,mt8183-disp-dither", > .data = (void *)MTK_DISP_DITHER }, > + { .compatible = "mediatek,mt8195-disp-dsc", > + .data = (void *)MTK_DISP_DSC }, > { .compatible = "mediatek,mt8173-disp-ufoe", > .data = (void *)MTK_DISP_UFOE }, > { .compatible = "mediatek,mt2701-dsi", > @@ -563,6 +565,7 @@ static int mtk_drm_probe(struct platform_device *pdev) > if (comp_type == MTK_DISP_CCORR || > comp_type == MTK_DISP_COLOR || > comp_type == MTK_DISP_GAMMA || > + comp_type == MTK_DISP_DSC || > comp_type == MTK_DISP_OVL || > comp_type == MTK_DISP_OVL_2L || > comp_type == MTK_DISP_RDMA || > @@ -667,6 +670,7 @@ static struct platform_driver * const mtk_drm_drivers[] = { > &mtk_disp_rdma_driver, > &mtk_dpi_driver, > &mtk_drm_platform_driver, > + &mtk_disp_dsc_driver, Alphabetic order. > &mtk_dsi_driver, > }; > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > index 637f5669e895..8b722330ef7d 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > @@ -51,6 +51,7 @@ 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_rdma_driver; > +extern struct platform_driver mtk_disp_dsc_driver; Alphabetic order. Regards, Chun-Kuang. > extern struct platform_driver mtk_dpi_driver; > extern struct platform_driver mtk_dsi_driver; > > -- > 2.18.0 >
Hi CK, On Sun, 2021-07-11 at 09:19 +0800, Chun-Kuang Hu wrote: > Hi, Jason: > > jason-jh.lin <jason-jh.lin@mediatek.com> 於 2021年7月10日 週六 下午7:38寫道： > > > > Add DSC module file. > > Introduce DSC here. > OK, I'll add this. > > > > Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com> > > --- > > drivers/gpu/drm/mediatek/Makefile | 1 + > > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 + > > drivers/gpu/drm/mediatek/mtk_disp_dsc.c | 205 > > ++++++++++++++++++++ > > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 13 ++ > > 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, 233 insertions(+) > > create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_dsc.c > > > > diff --git a/drivers/gpu/drm/mediatek/Makefile > > b/drivers/gpu/drm/mediatek/Makefile > > index dc54a7a69005..a1b239135c8f 100644 > > --- a/drivers/gpu/drm/mediatek/Makefile > > +++ b/drivers/gpu/drm/mediatek/Makefile > > @@ -5,6 +5,7 @@ mediatek-drm-y := mtk_disp_ccorr.o \ > > mtk_disp_gamma.o \ > > mtk_disp_ovl.o \ > > mtk_disp_rdma.o \ > > + mtk_disp_dsc.o \ > > mtk_drm_crtc.o \ > > mtk_drm_ddp_comp.o \ > > mtk_drm_drv.o \ > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > > b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > > index cafd9df2d63b..128d9fdbaf9e 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > > @@ -89,4 +89,12 @@ void mtk_rdma_enable_vblank(struct device *dev, > > void *vblank_cb_data); > > void mtk_rdma_disable_vblank(struct device *dev); > > > > +int mtk_dsc_clk_enable(struct device *dev); > > +void mtk_dsc_clk_disable(struct device *dev); > > +void mtk_dsc_config(struct device *dev, unsigned int width, > > + unsigned int height, unsigned int vrefresh, > > + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > > +void mtk_dsc_start(struct device *dev); > > +void mtk_dsc_stop(struct device *dev); > > + > > #endif > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_dsc.c > > b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c > > new file mode 100644 > > index 000000000000..61187f824c19 > > --- /dev/null > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c > > @@ -0,0 +1,205 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +/* > > + * Copyright (c) 2021 MediaTek Inc. > > + */ > > + > > +#include <linux/clk.h> > > +#include <linux/component.h> > > +#include <linux/of_device.h> > > +#include <linux/of_irq.h> > > +#include <linux/platform_device.h> > > +#include <linux/pm_runtime.h> > > +#include <linux/soc/mediatek/mtk-cmdq.h> > > + > > +#include "mtk_drm_crtc.h" > > +#include "mtk_drm_ddp_comp.h" > > +#include "mtk_drm_gem.h" > > +#include "mtk_disp_drv.h" > > + > > +#define DISP_REG_DSC_CON 0x0000 > > +#define DSC_EN BIT(0) > > +#define DSC_DUAL_INOUT BIT(2) > > +#define DSC_IN_SRC_SEL BIT(3) > > +#define DSC_BYPASS BIT(4) > > +#define DSC_RELAY BIT(5) > > +#define DSC_EMPTY_FLAG_SEL 0xc000 > > +#define DSC_UFOE_SEL BIT(16) > > +#define DISP_REG_DSC_OBUF 0x0070 > > + > > +/** > > + * struct mtk_disp_dsc - DISP_DSC driver structure > > + * @clk - clk of dsc hardware > > + * @regs - hardware register address of dsc > > + * @comp_id - enum type of component id > > + * @cmdq_reg - structure containing cmdq hardware resource > > + */ > > +struct mtk_disp_dsc { > > + struct clk *clk; > > + void __iomem *regs; > > + enum mtk_ddp_comp_id comp_id; > > comp_id is useless, so remove. > OK, I'll remove it. > > + struct cmdq_client_reg cmdq_reg; > > +}; > > + > > +void mtk_dsc_start(struct device *dev) > > +{ > > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > > + void __iomem *baddr = dsc->regs; > > + int ret = 0; > > + > > + ret = pm_runtime_get_sync(dev); > > I think no sub driver enable the power, so sync with other sub > driver. > OK, I'll remove it. > > + if (ret < 0) > > + DRM_ERROR("Failed to enable power domain: %d\n", > > ret); > > + > > + mtk_ddp_write_mask(NULL, DSC_EN, > > + &dsc->cmdq_reg, baddr, > > + DISP_REG_DSC_CON, DSC_EN); > > + > > + pr_debug("dsc_start:0x%x\n", readl(baddr + > > DISP_REG_DSC_CON)); > > No sub driver print this, sync with other sub driver. > OK, I'll remove it. > > +} > > + > > +void mtk_dsc_stop(struct device *dev) > > +{ > > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > > + void __iomem *baddr = dsc->regs; > > + int ret = 0; > > + > > + mtk_ddp_write_mask(NULL, 0x0, &dsc->cmdq_reg, baddr, > > + DISP_REG_DSC_CON, DSC_EN); > > + > > + pr_debug("dsc_stop:0x%x\n", readl(baddr + > > DISP_REG_DSC_CON)); > > Why we need this information? > I'll remove it. > > + > > + ret = pm_runtime_put(dev); > > Ditto as pm_runtime_get_sync(). > OK, I'll remove it. > > + if (ret < 0) > > + DRM_ERROR("Failed to disable power domain: %d\n", > > ret); > > +} > > + > > +int mtk_dsc_clk_enable(struct device *dev) > > +{ > > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > > + > > + return clk_prepare_enable(dsc->clk); > > +} > > + > > +void mtk_dsc_clk_disable(struct device *dev) > > +{ > > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > > + > > + clk_disable_unprepare(dsc->clk); > > +} > > + > > +void mtk_dsc_config(struct device *dev, unsigned int w, > > + unsigned int h, unsigned int vrefresh, > > + unsigned int bpc, struct cmdq_pkt *handle) > > +{ > > + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); > > + > > + /* dsc bypass mode */ > > + mtk_ddp_write_mask(handle, DSC_BYPASS, > > + &dsc->cmdq_reg, dsc->regs, > > + DISP_REG_DSC_CON, DSC_BYPASS); > > + mtk_ddp_write_mask(handle, DSC_UFOE_SEL, > > + &dsc->cmdq_reg, dsc->regs, > > + DISP_REG_DSC_CON, DSC_UFOE_SEL); > > + mtk_ddp_write_mask(handle, DSC_DUAL_INOUT, > > + &dsc->cmdq_reg, dsc->regs, > > + DISP_REG_DSC_CON, DSC_DUAL_INOUT); > > +} > > + > > +static int mtk_disp_dsc_bind(struct device *dev, struct device > > *master, > > + void *data) > > +{ > > + return 0; > > +} > > + > > +static void mtk_disp_dsc_unbind(struct device *dev, struct device > > *master, > > + void *data) > > +{ > > +} > > + > > +static const struct component_ops mtk_disp_dsc_component_ops = { > > + .bind = mtk_disp_dsc_bind, > > + .unbind = mtk_disp_dsc_unbind, > > +}; > > + > > +static int mtk_disp_dsc_probe(struct platform_device *pdev) > > +{ > > + struct device *dev = &pdev->dev; > > + struct resource *res; > > + struct mtk_disp_dsc *priv; > > + enum mtk_ddp_comp_id comp_id; > > + int irq; > > + 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_DSC); > > + if ((int)comp_id < 0) { > > + dev_err(dev, "Failed to identify by alias: %d\n", > > comp_id); > > + return comp_id; > > + } > > + > > + priv->comp_id = comp_id; > > + > > + irq = platform_get_irq(pdev, 0); > > Why do you get irq? > I'll remove it. > > + if (irq < 0) > > + return irq; > > + > > + priv->clk = devm_clk_get(dev, NULL); > > + if (IS_ERR(priv->clk)) { > > + dev_err(dev, "failed to get dsc 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 dsc\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); > > + > > + pm_runtime_enable(dev); > > Sync with other sub driver. > OK, I'll remove it. > > + > > + ret = component_add(dev, &mtk_disp_dsc_component_ops); > > + if (ret != 0) { > > + dev_err(dev, "Failed to add component: %d\n", ret); > > + pm_runtime_disable(dev); > > + } > > + > > + return ret; > > +} > > + > > +static int mtk_disp_dsc_remove(struct platform_device *pdev) > > +{ > > + component_del(&pdev->dev, &mtk_disp_dsc_component_ops); > > + > > + pm_runtime_disable(&pdev->dev); > > Sync with other sub driver. > OK, I'll remove it. > > + > > + return 0; > > +} > > + > > +static const struct of_device_id mtk_disp_dsc_driver_dt_match[] = > > { > > + { .compatible = "mediatek,mt8195-disp-dsc", }, > > + {}, > > +}; > > + > > +MODULE_DEVICE_TABLE(of, mtk_disp_dsc_driver_dt_match); > > + > > +struct platform_driver mtk_disp_dsc_driver = { > > + .probe = mtk_disp_dsc_probe, > > + .remove = mtk_disp_dsc_remove, > > + .driver = { > > + .name = "mediatek-disp-dsc", > > + .owner = THIS_MODULE, > > + .of_match_table = mtk_disp_dsc_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 75bc00e17fc4..d0b0f41dfe5a 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > @@ -333,6 +333,14 @@ static const struct mtk_ddp_comp_funcs > > ddp_rdma = { > > .layer_config = mtk_rdma_layer_config, > > }; > > > > +static const struct mtk_ddp_comp_funcs ddp_dsc = { > > + .config = mtk_dsc_config, > > + .start = mtk_dsc_start, > > + .stop = mtk_dsc_stop, > > + .clk_enable = mtk_dsc_clk_enable, > > + .clk_disable = mtk_dsc_clk_disable, > > +}; > > + > > static const struct mtk_ddp_comp_funcs ddp_ufoe = { > > .clk_enable = mtk_ddp_clk_enable, > > .clk_disable = mtk_ddp_clk_disable, > > @@ -356,6 +364,7 @@ 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_DSC] = "dsc", > > }; > > > > struct mtk_ddp_comp_match { > > @@ -391,6 +400,9 @@ static const struct mtk_ddp_comp_match > > mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > > [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_DSC0] = { MTK_DISP_DSC, 0, &ddp_dsc > > }, > > + [DDP_COMPONENT_DSC1] = { MTK_DISP_DSC, 1, &ddp_dsc > > }, > > + [DDP_COMPONENT_DSC1_VIRTUAL0] = { MTK_DISP_DSC, -1, > > &ddp_dsc }, > > Alphabetic order. > OK, I'll fix it. > > [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 }, > > @@ -509,6 +521,7 @@ int mtk_ddp_comp_init(struct device_node *node, > > struct mtk_ddp_comp *comp, > > type == MTK_DISP_CCORR || > > type == MTK_DISP_COLOR || > > type == MTK_DISP_GAMMA || > > + type == MTK_DISP_DSC || > > Alphabetic order. > OK, I'll fix it. > > 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 bb914d976cf5..661fb620e266 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > @@ -34,6 +34,7 @@ enum mtk_ddp_comp_type { > > MTK_DISP_MUTEX, > > MTK_DISP_OD, > > MTK_DISP_BLS, > > + MTK_DISP_DSC, > > MTK_DDP_COMP_TYPE_MAX, > > }; > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > index d6f6d1bdad85..7dfca63c1042 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > @@ -446,6 +446,8 @@ static const struct of_device_id > > mtk_ddp_comp_dt_ids[] = { > > .data = (void *)MTK_DISP_GAMMA, }, > > { .compatible = "mediatek,mt8183-disp-dither", > > .data = (void *)MTK_DISP_DITHER }, > > + { .compatible = "mediatek,mt8195-disp-dsc", > > + .data = (void *)MTK_DISP_DSC }, > > { .compatible = "mediatek,mt8173-disp-ufoe", > > .data = (void *)MTK_DISP_UFOE }, > > { .compatible = "mediatek,mt2701-dsi", > > @@ -563,6 +565,7 @@ static int mtk_drm_probe(struct platform_device > > *pdev) > > if (comp_type == MTK_DISP_CCORR || > > comp_type == MTK_DISP_COLOR || > > comp_type == MTK_DISP_GAMMA || > > + comp_type == MTK_DISP_DSC || > > comp_type == MTK_DISP_OVL || > > comp_type == MTK_DISP_OVL_2L || > > comp_type == MTK_DISP_RDMA || > > @@ -667,6 +670,7 @@ static struct platform_driver * const > > mtk_drm_drivers[] = { > > &mtk_disp_rdma_driver, > > &mtk_dpi_driver, > > &mtk_drm_platform_driver, > > + &mtk_disp_dsc_driver, > > Alphabetic order. > OK, I'll fix it. > > &mtk_dsi_driver, > > }; > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > > b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > > index 637f5669e895..8b722330ef7d 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h > > @@ -51,6 +51,7 @@ 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_rdma_driver; > > +extern struct platform_driver mtk_disp_dsc_driver; > > Alphabetic order. > > Regards, > Chun-Kuang. > OK, I'll fix it. Regards, Jason-JH.Lin > > extern struct platform_driver mtk_dpi_driver; > > extern struct platform_driver mtk_dsi_driver; > > > > -- > > 2.18.0 > >
diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index dc54a7a69005..a1b239135c8f 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -5,6 +5,7 @@ mediatek-drm-y := mtk_disp_ccorr.o \ mtk_disp_gamma.o \ mtk_disp_ovl.o \ mtk_disp_rdma.o \ + mtk_disp_dsc.o \ mtk_drm_crtc.o \ mtk_drm_ddp_comp.o \ mtk_drm_drv.o \ diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index cafd9df2d63b..128d9fdbaf9e 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -89,4 +89,12 @@ void mtk_rdma_enable_vblank(struct device *dev, void *vblank_cb_data); void mtk_rdma_disable_vblank(struct device *dev); +int mtk_dsc_clk_enable(struct device *dev); +void mtk_dsc_clk_disable(struct device *dev); +void mtk_dsc_config(struct device *dev, unsigned int width, + unsigned int height, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *cmdq_pkt); +void mtk_dsc_start(struct device *dev); +void mtk_dsc_stop(struct device *dev); + #endif diff --git a/drivers/gpu/drm/mediatek/mtk_disp_dsc.c b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c new file mode 100644 index 000000000000..61187f824c19 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_disp_dsc.c @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/soc/mediatek/mtk-cmdq.h> + +#include "mtk_drm_crtc.h" +#include "mtk_drm_ddp_comp.h" +#include "mtk_drm_gem.h" +#include "mtk_disp_drv.h" + +#define DISP_REG_DSC_CON 0x0000 +#define DSC_EN BIT(0) +#define DSC_DUAL_INOUT BIT(2) +#define DSC_IN_SRC_SEL BIT(3) +#define DSC_BYPASS BIT(4) +#define DSC_RELAY BIT(5) +#define DSC_EMPTY_FLAG_SEL 0xc000 +#define DSC_UFOE_SEL BIT(16) +#define DISP_REG_DSC_OBUF 0x0070 + +/** + * struct mtk_disp_dsc - DISP_DSC driver structure + * @clk - clk of dsc hardware + * @regs - hardware register address of dsc + * @comp_id - enum type of component id + * @cmdq_reg - structure containing cmdq hardware resource + */ +struct mtk_disp_dsc { + struct clk *clk; + void __iomem *regs; + enum mtk_ddp_comp_id comp_id; + struct cmdq_client_reg cmdq_reg; +}; + +void mtk_dsc_start(struct device *dev) +{ + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); + void __iomem *baddr = dsc->regs; + int ret = 0; + + ret = pm_runtime_get_sync(dev); + if (ret < 0) + DRM_ERROR("Failed to enable power domain: %d\n", ret); + + mtk_ddp_write_mask(NULL, DSC_EN, + &dsc->cmdq_reg, baddr, + DISP_REG_DSC_CON, DSC_EN); + + pr_debug("dsc_start:0x%x\n", readl(baddr + DISP_REG_DSC_CON)); +} + +void mtk_dsc_stop(struct device *dev) +{ + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); + void __iomem *baddr = dsc->regs; + int ret = 0; + + mtk_ddp_write_mask(NULL, 0x0, &dsc->cmdq_reg, baddr, + DISP_REG_DSC_CON, DSC_EN); + + pr_debug("dsc_stop:0x%x\n", readl(baddr + DISP_REG_DSC_CON)); + + ret = pm_runtime_put(dev); + if (ret < 0) + DRM_ERROR("Failed to disable power domain: %d\n", ret); +} + +int mtk_dsc_clk_enable(struct device *dev) +{ + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); + + return clk_prepare_enable(dsc->clk); +} + +void mtk_dsc_clk_disable(struct device *dev) +{ + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); + + clk_disable_unprepare(dsc->clk); +} + +void mtk_dsc_config(struct device *dev, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc, struct cmdq_pkt *handle) +{ + struct mtk_disp_dsc *dsc = dev_get_drvdata(dev); + + /* dsc bypass mode */ + mtk_ddp_write_mask(handle, DSC_BYPASS, + &dsc->cmdq_reg, dsc->regs, + DISP_REG_DSC_CON, DSC_BYPASS); + mtk_ddp_write_mask(handle, DSC_UFOE_SEL, + &dsc->cmdq_reg, dsc->regs, + DISP_REG_DSC_CON, DSC_UFOE_SEL); + mtk_ddp_write_mask(handle, DSC_DUAL_INOUT, + &dsc->cmdq_reg, dsc->regs, + DISP_REG_DSC_CON, DSC_DUAL_INOUT); +} + +static int mtk_disp_dsc_bind(struct device *dev, struct device *master, + void *data) +{ + return 0; +} + +static void mtk_disp_dsc_unbind(struct device *dev, struct device *master, + void *data) +{ +} + +static const struct component_ops mtk_disp_dsc_component_ops = { + .bind = mtk_disp_dsc_bind, + .unbind = mtk_disp_dsc_unbind, +}; + +static int mtk_disp_dsc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct resource *res; + struct mtk_disp_dsc *priv; + enum mtk_ddp_comp_id comp_id; + int irq; + 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_DSC); + if ((int)comp_id < 0) { + dev_err(dev, "Failed to identify by alias: %d\n", comp_id); + return comp_id; + } + + priv->comp_id = comp_id; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + priv->clk = devm_clk_get(dev, NULL); + if (IS_ERR(priv->clk)) { + dev_err(dev, "failed to get dsc 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 dsc\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); + + pm_runtime_enable(dev); + + ret = component_add(dev, &mtk_disp_dsc_component_ops); + if (ret != 0) { + dev_err(dev, "Failed to add component: %d\n", ret); + pm_runtime_disable(dev); + } + + return ret; +} + +static int mtk_disp_dsc_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &mtk_disp_dsc_component_ops); + + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static const struct of_device_id mtk_disp_dsc_driver_dt_match[] = { + { .compatible = "mediatek,mt8195-disp-dsc", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, mtk_disp_dsc_driver_dt_match); + +struct platform_driver mtk_disp_dsc_driver = { + .probe = mtk_disp_dsc_probe, + .remove = mtk_disp_dsc_remove, + .driver = { + .name = "mediatek-disp-dsc", + .owner = THIS_MODULE, + .of_match_table = mtk_disp_dsc_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 75bc00e17fc4..d0b0f41dfe5a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -333,6 +333,14 @@ static const struct mtk_ddp_comp_funcs ddp_rdma = { .layer_config = mtk_rdma_layer_config, }; +static const struct mtk_ddp_comp_funcs ddp_dsc = { + .config = mtk_dsc_config, + .start = mtk_dsc_start, + .stop = mtk_dsc_stop, + .clk_enable = mtk_dsc_clk_enable, + .clk_disable = mtk_dsc_clk_disable, +}; + static const struct mtk_ddp_comp_funcs ddp_ufoe = { .clk_enable = mtk_ddp_clk_enable, .clk_disable = mtk_ddp_clk_disable, @@ -356,6 +364,7 @@ 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_DSC] = "dsc", }; struct mtk_ddp_comp_match { @@ -391,6 +400,9 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [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_DSC0] = { MTK_DISP_DSC, 0, &ddp_dsc }, + [DDP_COMPONENT_DSC1] = { MTK_DISP_DSC, 1, &ddp_dsc }, + [DDP_COMPONENT_DSC1_VIRTUAL0] = { MTK_DISP_DSC, -1, &ddp_dsc }, [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 }, @@ -509,6 +521,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, type == MTK_DISP_CCORR || type == MTK_DISP_COLOR || type == MTK_DISP_GAMMA || + type == MTK_DISP_DSC || 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 bb914d976cf5..661fb620e266 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -34,6 +34,7 @@ enum mtk_ddp_comp_type { MTK_DISP_MUTEX, MTK_DISP_OD, MTK_DISP_BLS, + MTK_DISP_DSC, MTK_DDP_COMP_TYPE_MAX, }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index d6f6d1bdad85..7dfca63c1042 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -446,6 +446,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DISP_GAMMA, }, { .compatible = "mediatek,mt8183-disp-dither", .data = (void *)MTK_DISP_DITHER }, + { .compatible = "mediatek,mt8195-disp-dsc", + .data = (void *)MTK_DISP_DSC }, { .compatible = "mediatek,mt8173-disp-ufoe", .data = (void *)MTK_DISP_UFOE }, { .compatible = "mediatek,mt2701-dsi", @@ -563,6 +565,7 @@ static int mtk_drm_probe(struct platform_device *pdev) if (comp_type == MTK_DISP_CCORR || comp_type == MTK_DISP_COLOR || comp_type == MTK_DISP_GAMMA || + comp_type == MTK_DISP_DSC || comp_type == MTK_DISP_OVL || comp_type == MTK_DISP_OVL_2L || comp_type == MTK_DISP_RDMA || @@ -667,6 +670,7 @@ static struct platform_driver * const mtk_drm_drivers[] = { &mtk_disp_rdma_driver, &mtk_dpi_driver, &mtk_drm_platform_driver, + &mtk_disp_dsc_driver, &mtk_dsi_driver, }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 637f5669e895..8b722330ef7d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -51,6 +51,7 @@ 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_rdma_driver; +extern struct platform_driver mtk_disp_dsc_driver; extern struct platform_driver mtk_dpi_driver; extern struct platform_driver mtk_dsi_driver;
Add DSC module file. Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com> --- drivers/gpu/drm/mediatek/Makefile | 1 + drivers/gpu/drm/mediatek/mtk_disp_drv.h | 8 + drivers/gpu/drm/mediatek/mtk_disp_dsc.c | 205 ++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 13 ++ 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, 233 insertions(+) create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_dsc.c