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Message-ID: <1577943184.24650.10.camel@mtksdaap41>
Date: Thu, 2 Jan 2020 13:33:04 +0800
From: CK Hu <ck.hu@...iatek.com>
To: Yongqiang Niu <yongqiang.niu@...iatek.com>
CC: Philipp Zabel <p.zabel@...gutronix.de>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
"David Airlie" <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
Mark Rutland <mark.rutland@....com>,
<dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v6, 04/14] drm/mediatek: add mmsys private data for ddp
path config
Hi, Yongqiang:
On Thu, 2020-01-02 at 12:00 +0800, Yongqiang Niu wrote:
> This patch add mmsys private data for ddp path config
> all these register offset and value will be different in future SOC
> add these define into mmsys private data
> u32 ovl0_mout_en;
> u32 rdma1_sout_sel_in;
> u32 rdma1_sout_dsi0;
> u32 dpi0_sel_in;
> u32 dpi0_sel_in_rdma1;
> u32 dsi0_sel_in;
> u32 dsi0_sel_in_rdma1;
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +++
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 63 ++++++++++++++++++++++++---------
> drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 6 ++++
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++
> drivers/gpu/drm/mediatek/mtk_drm_drv.h | 3 ++
> 5 files changed, 63 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index e47cf84..9aacbcf 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -44,6 +44,7 @@ struct mtk_drm_crtc {
> bool pending_planes;
>
> struct regmap *config_regs;
> + const struct mtk_mmsys_reg_data *mmsys_reg_data;
> struct mtk_disp_mutex *mutex;
> unsigned int ddp_comp_nr;
> struct mtk_ddp_comp **ddp_comp;
> @@ -283,6 +284,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
> DRM_DEBUG_DRIVER("mediatek_ddp_ddp_path_setup\n");
> for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
> mtk_ddp_add_comp_to_path(mtk_crtc->config_regs,
> + mtk_crtc->mmsys_reg_data,
> mtk_crtc->ddp_comp[i]->id,
> mtk_crtc->ddp_comp[i + 1]->id);
> mtk_disp_mutex_add_comp(mtk_crtc->mutex,
> @@ -340,6 +342,7 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
> mtk_disp_mutex_disable(mtk_crtc->mutex);
> for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
> mtk_ddp_remove_comp_from_path(mtk_crtc->config_regs,
> + mtk_crtc->mmsys_reg_data,
> mtk_crtc->ddp_comp[i]->id,
> mtk_crtc->ddp_comp[i + 1]->id);
> mtk_disp_mutex_remove_comp(mtk_crtc->mutex,
> @@ -649,6 +652,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
> return -ENOMEM;
>
> mtk_crtc->config_regs = priv->config_regs;
> + mtk_crtc->mmsys_reg_data = priv->data->reg_data;
> mtk_crtc->ddp_comp_nr = path_len;
> mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->ddp_comp_nr,
> sizeof(*mtk_crtc->ddp_comp),
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index f99f89a1..ea0ce32 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -168,6 +168,16 @@ struct mtk_ddp {
> const struct mtk_ddp_data *data;
> };
>
> +struct mtk_mmsys_reg_data {
> + u32 ovl0_mout_en;
> + u32 rdma1_sout_sel_in;
> + u32 rdma1_sout_dpi0;
> + u32 dpi0_sel_in;
> + u32 dpi0_sel_in_rdma1;
> + u32 dsi0_sel_in;
> + u32 dsi0_sel_in_rdma1;
This patch looks like a combination of two patches. One is a bug fix
that dsi0_sel_in and dsi0_sel_in_rdma1 are different in MT8173 and
MT2701. And the other is that ovl0_mout_en, rdma1_sout_sel_in,
rdma1_sout_dpi0, dpi0_sel_in, dpi0_sel_in_rdma1 are different in MT8183.
Regards,
CK
> +};
> +
> static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> [DDP_COMPONENT_BLS] = MT2701_MUTEX_MOD_DISP_BLS,
> [DDP_COMPONENT_COLOR0] = MT2701_MUTEX_MOD_DISP_COLOR,
> @@ -246,17 +256,34 @@ struct mtk_ddp {
> .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
> };
>
> -static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> +const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data = {
> + .ovl0_mout_en = DISP_REG_CONFIG_DISP_OVL_MOUT_EN,
> + .dsi0_sel_in = DISP_REG_CONFIG_DSI_SEL,
> + .dsi0_sel_in_rdma1 = DSI_SEL_IN_RDMA,
> +};
> +
> +const struct mtk_mmsys_reg_data mt8173_mmsys_reg_data = {
> + .ovl0_mout_en = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN,
> + .rdma1_sout_sel_in = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN,
> + .rdma1_sout_dpi0 = RDMA1_SOUT_DPI0,
> + .dpi0_sel_in = DISP_REG_CONFIG_DPI_SEL_IN,
> + .dpi0_sel_in_rdma1 = DPI0_SEL_IN_RDMA1,
> + .dsi0_sel_in = DISP_REG_CONFIG_DSIE_SEL_IN,
> + .dsi0_sel_in_rdma1 = DSI0_SEL_IN_RDMA1,
> +};
> +
> +static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
> + enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next,
> unsigned int *addr)
> {
> unsigned int value;
>
> if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) {
> - *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN;
> + *addr = data->ovl0_mout_en;
> value = OVL0_MOUT_EN_COLOR0;
> } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
> - *addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
> + *addr = data->ovl0_mout_en;
> value = OVL_MOUT_EN_RDMA;
> } else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
> *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> @@ -298,8 +325,8 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> value = RDMA1_SOUT_DSI3;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> - value = RDMA1_SOUT_DPI0;
> + *addr = data->rdma1_sout_sel_in;
> + value = data->rdma1_sout_dpi0;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> *addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> value = RDMA1_SOUT_DPI1;
> @@ -325,7 +352,8 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> return value;
> }
>
> -static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
> +static unsigned int mtk_ddp_sel_in(const struct mtk_mmsys_reg_data *data,
> + enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next,
> unsigned int *addr)
> {
> @@ -335,14 +363,14 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
> *addr = DISP_REG_CONFIG_DISP_COLOR0_SEL_IN;
> value = COLOR0_SEL_IN_OVL0;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> - *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> - value = DPI0_SEL_IN_RDMA1;
> + *addr = data->dpi0_sel_in;
> + value = data->dpi0_sel_in_rdma1;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> *addr = DISP_REG_CONFIG_DPI_SEL_IN;
> value = DPI1_SEL_IN_RDMA1;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
> - *addr = DISP_REG_CONFIG_DSIE_SEL_IN;
> - value = DSI0_SEL_IN_RDMA1;
> + *addr = data->dsi0_sel_in;
> + value = data->dsi0_sel_in_rdma1;
> } else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> *addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> value = DSI1_SEL_IN_RDMA1;
> @@ -389,7 +417,8 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
> return value;
> }
>
> -static unsigned int mtk_ddp_sout_sel(enum mtk_ddp_comp_id cur,
> +static unsigned int mtk_ddp_sout_sel(const struct mtk_mmsys_reg_data *data,
> + enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next,
> unsigned int *addr)
> {
> @@ -409,35 +438,37 @@ static unsigned int mtk_ddp_sout_sel(enum mtk_ddp_comp_id cur,
> }
>
> void mtk_ddp_add_comp_to_path(struct regmap *config_regs,
> + const struct mtk_mmsys_reg_data *reg_data,
> enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next)
> {
> unsigned int addr, value;
>
> - value = mtk_ddp_mout_en(cur, next, &addr);
> + value = mtk_ddp_mout_en(reg_data, cur, next, &addr);
> if (value)
> regmap_update_bits(config_regs, addr, value, value);
>
> - value = mtk_ddp_sout_sel(cur, next, &addr);
> + value = mtk_ddp_sout_sel(reg_data, cur, next, &addr);
> if (value)
> regmap_update_bits(config_regs, addr, value, value);
>
> - value = mtk_ddp_sel_in(cur, next, &addr);
> + value = mtk_ddp_sel_in(reg_data, cur, next, &addr);
> if (value)
> regmap_update_bits(config_regs, addr, value, value);
> }
>
> void mtk_ddp_remove_comp_from_path(struct regmap *config_regs,
> + const struct mtk_mmsys_reg_data *reg_data,
> enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next)
> {
> unsigned int addr, value;
>
> - value = mtk_ddp_mout_en(cur, next, &addr);
> + value = mtk_ddp_mout_en(reg_data, cur, next, &addr);
> if (value)
> regmap_update_bits(config_regs, addr, value, 0);
>
> - value = mtk_ddp_sel_in(cur, next, &addr);
> + value = mtk_ddp_sel_in(reg_data, cur, next, &addr);
> if (value)
> regmap_update_bits(config_regs, addr, value, 0);
> }
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> index 01ff8b6..75fa56e 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> @@ -11,11 +11,17 @@
> struct regmap;
> struct device;
> struct mtk_disp_mutex;
> +struct mtk_mmsys_reg_data;
> +
> +extern const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data;
> +extern const struct mtk_mmsys_reg_data mt8173_mmsys_reg_data;
>
> void mtk_ddp_add_comp_to_path(struct regmap *config_regs,
> + const struct mtk_mmsys_reg_data *reg_data,
> enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next);
> void mtk_ddp_remove_comp_from_path(struct regmap *config_regs,
> + const struct mtk_mmsys_reg_data *reg_data,
> enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next);
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index f69af42..e3293cf8 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -185,6 +185,7 @@ static int mtk_atomic_commit(struct drm_device *drm,
> .main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),
> .ext_path = mt2701_mtk_ddp_ext,
> .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext),
> + .reg_data = &mt2701_mmsys_reg_data,
> .shadow_register = true,
> .clk_drv_name = "clk-mt2701-mm",
> };
> @@ -196,6 +197,7 @@ static int mtk_atomic_commit(struct drm_device *drm,
> .ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext),
> .third_path = mt2712_mtk_ddp_third,
> .third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
> + .reg_data = &mt8173_mmsys_reg_data,
> .clk_drv_name = "clk-mt2712-mm",
> };
>
> @@ -204,6 +206,7 @@ static int mtk_atomic_commit(struct drm_device *drm,
> .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
> .ext_path = mt8173_mtk_ddp_ext,
> .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
> + .reg_data = &mt8173_mmsys_reg_data,
> .clk_drv_name = "clk-mt8173-mm",
> };
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> index 8fe9136..9d87441 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> @@ -7,6 +7,7 @@
> #define MTK_DRM_DRV_H
>
> #include <linux/io.h>
> +#include "mtk_drm_ddp.h"
> #include "mtk_drm_ddp_comp.h"
>
> #define MAX_CRTC 3
> @@ -28,6 +29,8 @@ struct mtk_mmsys_driver_data {
> const enum mtk_ddp_comp_id *third_path;
> unsigned int third_len;
>
> + const struct mtk_mmsys_reg_data *reg_data;
> +
> bool shadow_register;
> const char *clk_drv_name;
> };
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