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Message-ID: <879e6699-75c1-476b-8114-83b97fd4e00a@gmail.com>
Date:   Wed, 10 Feb 2021 13:14:21 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Enric Balletbo Serra <eballetbo@...il.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        David Airlie <airlied@...ux.ie>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v13 7/8] soc: mediatek: add mtk mutex support for MT8183



On 09/02/2021 15:48, Enric Balletbo Serra wrote:
> Hi Hsin-Yi,
> 
> Thank you for your patch.
> 
> Missatge de Hsin-Yi Wang <hsinyi@...omium.org> del dia dv., 29 de gen.
> 2021 a les 10:23:
>>
>> From: Yongqiang Niu <yongqiang.niu@...iatek.com>
>>
>> Add mtk mutex support for MT8183 SoC.
>>
>> 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>
> 
> Reviewed-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> 
> FWIW this patch is required to have the display working on the
> Chromebook IdeaPad Duet, so
> 
> Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> 
> Matthias, If I am not wrong, this patch is the only one that is not
> applied for this series. I know that is too late for 5.12, but If
> you're fine with it, could you pick this patch directly or do you
> prefer a resend of this patch alone once you will start to accept
> patches for the next release?

This patch is based on top of a patch that's in CK's branch.
Let's wait for v5.12-rc1 then I'll take it. If I forget just ping me here/IRC

Regards,
Matthias

> 
> Thanks,
>   Enric
> 
>> ---
>>  drivers/soc/mediatek/mtk-mutex.c | 50 ++++++++++++++++++++++++++++++++
>>  1 file changed, 50 insertions(+)
>>
>> diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
>> index f531b119da7a9..718a41beb6afb 100644
>> --- a/drivers/soc/mediatek/mtk-mutex.c
>> +++ b/drivers/soc/mediatek/mtk-mutex.c
>> @@ -14,6 +14,8 @@
>>
>>  #define MT2701_MUTEX0_MOD0                     0x2c
>>  #define MT2701_MUTEX0_SOF0                     0x30
>> +#define MT8183_MUTEX0_MOD0                     0x30
>> +#define MT8183_MUTEX0_SOF0                     0x2c
>>
>>  #define DISP_REG_MUTEX_EN(n)                   (0x20 + 0x20 * (n))
>>  #define DISP_REG_MUTEX(n)                      (0x24 + 0x20 * (n))
>> @@ -37,6 +39,18 @@
>>  #define MT8167_MUTEX_MOD_DISP_DITHER           15
>>  #define MT8167_MUTEX_MOD_DISP_UFOE             16
>>
>> +#define MT8183_MUTEX_MOD_DISP_RDMA0            0
>> +#define MT8183_MUTEX_MOD_DISP_RDMA1            1
>> +#define MT8183_MUTEX_MOD_DISP_OVL0             9
>> +#define MT8183_MUTEX_MOD_DISP_OVL0_2L          10
>> +#define MT8183_MUTEX_MOD_DISP_OVL1_2L          11
>> +#define MT8183_MUTEX_MOD_DISP_WDMA0            12
>> +#define MT8183_MUTEX_MOD_DISP_COLOR0           13
>> +#define MT8183_MUTEX_MOD_DISP_CCORR0           14
>> +#define MT8183_MUTEX_MOD_DISP_AAL0             15
>> +#define MT8183_MUTEX_MOD_DISP_GAMMA0           16
>> +#define MT8183_MUTEX_MOD_DISP_DITHER0          17
>> +
>>  #define MT8173_MUTEX_MOD_DISP_OVL0             11
>>  #define MT8173_MUTEX_MOD_DISP_OVL1             12
>>  #define MT8173_MUTEX_MOD_DISP_RDMA0            13
>> @@ -87,6 +101,11 @@
>>  #define MT2712_MUTEX_SOF_DSI3                  6
>>  #define MT8167_MUTEX_SOF_DPI0                  2
>>  #define MT8167_MUTEX_SOF_DPI1                  3
>> +#define MT8183_MUTEX_SOF_DSI0                  1
>> +#define MT8183_MUTEX_SOF_DPI0                  2
>> +
>> +#define MT8183_MUTEX_EOF_DSI0                  (MT8183_MUTEX_SOF_DSI0 << 6)
>> +#define MT8183_MUTEX_EOF_DPI0                  (MT8183_MUTEX_SOF_DPI0 << 6)
>>
>>  struct mtk_mutex {
>>         int id;
>> @@ -181,6 +200,20 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>>         [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,
>>  };
>>
>> +static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>> +       [DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,
>> +       [DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,
>> +       [DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,
>> +       [DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,
>> +       [DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,
>> +       [DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,
>> +       [DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,
>> +       [DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,
>> +       [DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,
>> +       [DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,
>> +       [DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
>> +};
>> +
>>  static const unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>>         [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>>         [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
>> @@ -198,6 +231,13 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>>         [MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
>>  };
>>
>> +/* Add EOF setting so overlay hardware can receive frame done irq */
>> +static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>> +       [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
>> +       [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
>> +       [MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
>> +};
>> +
>>  static const struct mtk_mutex_data mt2701_mutex_driver_data = {
>>         .mutex_mod = mt2701_mutex_mod,
>>         .mutex_sof = mt2712_mutex_sof,
>> @@ -227,6 +267,14 @@ static const struct mtk_mutex_data mt8173_mutex_driver_data = {
>>         .mutex_sof_reg = MT2701_MUTEX0_SOF0,
>>  };
>>
>> +static const struct mtk_mutex_data mt8183_mutex_driver_data = {
>> +       .mutex_mod = mt8183_mutex_mod,
>> +       .mutex_sof = mt8183_mutex_sof,
>> +       .mutex_mod_reg = MT8183_MUTEX0_MOD0,
>> +       .mutex_sof_reg = MT8183_MUTEX0_SOF0,
>> +       .no_clk = true,
>> +};
>> +
>>  struct mtk_mutex *mtk_mutex_get(struct device *dev)
>>  {
>>         struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
>> @@ -457,6 +505,8 @@ static const struct of_device_id mutex_driver_dt_match[] = {
>>           .data = &mt8167_mutex_driver_data},
>>         { .compatible = "mediatek,mt8173-disp-mutex",
>>           .data = &mt8173_mutex_driver_data},
>> +       { .compatible = "mediatek,mt8183-disp-mutex",
>> +         .data = &mt8183_mutex_driver_data},
>>         {},
>>  };
>>  MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
>> --
>> 2.30.0.365.g02bc693789-goog
>>
>>
>> _______________________________________________
>> Linux-mediatek mailing list
>> Linux-mediatek@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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