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Date: Fri, 8 Oct 2021 13:32:14 +0200
From: Matthias Brugger <matthias.bgg@...il.com>
To: "yongqiang.niu" <yongqiang.niu@...iatek.com>,
Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Jassi Brar <jassisinghbrar@...il.com>,
Fabien Parent <fparent@...libre.com>,
Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org,
Project_Global_Chrome_Upstream_Group@...iatek.com,
Hsin-Yi Wang <hsinyi@...omium.org>, CK Hu <ck.hu@...iatek.com>
Subject: Re: [PATCH v10, 2/5] drm/mediatek: add component POSTMASK
On 08/10/2021 04:09, yongqiang.niu wrote:
> On Fri, 2021-10-01 at 13:00 +0200, Dafna Hirschfeld wrote:
>>
>> On 30.09.21 17:52, Yongqiang Niu wrote:
>>> This patch add component POSTMASK.
>>>
>>> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
>>> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
>>> Reviewed-by: CK Hu <ck.hu@...iatek.com>
>>> ---
>>> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 102 ++++++++++++++-
>>> -----
>>> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 +
>>> 2 files changed, 73 insertions(+), 30 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
>>> b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
>>> index 4a2abcf3e5f9..89170ad825fd 100644
>>> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
>>> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
>>> @@ -62,6 +62,12 @@
>>> #define DITHER_ADD_LSHIFT_G(x) (((x) & 0x7) <<
>>> 4)
>>> #define DITHER_ADD_RSHIFT_G(x) (((x) & 0x7) <<
>>> 0)
>>>
>>> +#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_ddp_comp_dev {
>>> struct clk *clk;
>>> void __iomem *regs;
>>> @@ -214,6 +220,32 @@ static void mtk_dither_stop(struct device
>>> *dev)
>>> writel_relaxed(0x0, priv->regs + DISP_DITHER_EN);
>>> }
>>>
>>> +static 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_ddp_comp_dev *priv = dev_get_drvdata(dev);
>>> +
>>> + mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv-
>>>> regs,
>>> + DISP_POSTMASK_SIZE);
>>> + mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &priv->cmdq_reg,
>>> + priv->regs, DISP_POSTMASK_CFG);
>>> +}
>>> +
>>> +static void mtk_postmask_start(struct device *dev)
>>> +{
>>> + struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>>> +
>>> + writel(POSTMASK_EN, priv->regs + DISP_POSTMASK_EN);
>>> +}
>>> +
>>> +static void mtk_postmask_stop(struct device *dev)
>>> +{
>>> + struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>>> +
>>> + writel_relaxed(0x0, priv->regs + DISP_POSTMASK_EN);
>>> +}
>>> +
>>> static const struct mtk_ddp_comp_funcs ddp_aal = {
>>> .clk_enable = mtk_aal_clk_enable,
>>> .clk_disable = mtk_aal_clk_disable,
>>> @@ -289,6 +321,14 @@ 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_ddp_clk_enable,
>>> + .clk_disable = mtk_ddp_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,
>>> @@ -324,6 +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_POSTMASK] = "postmask",
>>> };
>>>
>>> struct mtk_ddp_comp_match {
>>> @@ -333,36 +374,37 @@ 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 },
>>
>> Hi, I can't see where is DDP_COMPONENT_POSTMASK0 defined.
>>
>> Thanks,
>> Dafna
>
> it is defined in mtk_mmsys.h
>
>
> https://patchwork.kernel.org/project/linux-mediatek/patch/20210930155222.5861-3-yongqiang.niu@mediatek.com/
>
That link is not really usefull. It's part of my maintainer repo:
https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/log/?h=v5.15-next/soc
My fault not having pushed that to linux-next.
Regards,
Matthias
>>
>>> + [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,
>>> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
>>> b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
>>> index bb914d976cf5..cd1dec6b4cdf 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,
>>>
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