linux-kernel - Re: [PATCH v1 4/4] drm/mediatek: add mediatek-drm of vdosys0 support for mt8188

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Date:   Tue, 6 Sep 2022 10:39:06 +0800
From:   Nathan Lu <nathan.lu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "David Airlie" <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     "jason-jh . lin" <jason-jh.lin@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Moudy Ho <moudy.ho@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <wsd_upstream@...iatek.com>,
        <lancelot.wu@...iatek.com>, amy zhang <Amy.Zhang@...iatek.com>
Subject: Re: [PATCH v1 4/4] drm/mediatek: add mediatek-drm of vdosys0
 support for mt8188

Hi CK,

Thanks for your review, and appreciate for all comments and sugestions.
I'll remove io_start variable at next version.
It will be upstream with vdosys1 patch later.

On Mon, 2022-08-22 at 13:50 +0800, CK Hu wrote:
> Hi, Nathan:
> 
> On Mon, 2022-08-22 at 11:32 +0800, nathan.lu wrote:
> > From: Nathan Lu <nathan.lu@...iatek.com>
> > 
> > add driver data of mt8188 vdosys0 to mediatek-drm and the sub
> > driver.
> > 
> > Signed-off-by: amy zhang <Amy.Zhang@...iatek.com>
> > Signed-off-by: Nathan Lu <nathan.lu@...iatek.com>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 30
> > ++++++++++++++++++++++++++
> >  1 file changed, 30 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > index d72263c8a621..260514006093 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > @@ -178,6 +178,18 @@ static const unsigned int mt8186_mtk_ddp_ext[]
> > =
> > {
> >  	DDP_COMPONENT_DPI0,
> >  };
> >  
> > +static const unsigned int mt8188_mtk_ddp_main[] = {
> > +	DDP_COMPONENT_OVL0,
> > +	DDP_COMPONENT_RDMA0,
> > +	DDP_COMPONENT_COLOR0,
> > +	DDP_COMPONENT_CCORR,
> > +	DDP_COMPONENT_AAL0,
> > +	DDP_COMPONENT_GAMMA,
> > +	DDP_COMPONENT_POSTMASK0,
> > +	DDP_COMPONENT_DITHER0,
> > +	DDP_COMPONENT_DP_INTF0,
> > +};
> > +
> >  static const unsigned int mt8192_mtk_ddp_main[] = {
> >  	DDP_COMPONENT_OVL0,
> >  	DDP_COMPONENT_OVL_2L0,
> > @@ -323,6 +335,20 @@ static const struct mtk_mmsys_match_data
> > mt8186_mmsys_match_data = {
> >  	},
> >  };
> >  
> > +static const struct mtk_mmsys_driver_data
> > mt8188_vdosys0_driver_data
> > = {
> > +	.io_start = 0x1c01d000,
> 
> For only one mmsys, it's not necessary to set io_start.
> 
> Regards,
> CK
> 
> > +	.main_path = mt8188_mtk_ddp_main,
> > +	.main_len = ARRAY_SIZE(mt8188_mtk_ddp_main),
> > +	.mmsys_dev_num = 1,
> > +};
> > +
> > +static const struct mtk_mmsys_match_data mt8188_mmsys_match_data =
> > {
> > +	.num_drv_data = 1,
> > +	.drv_data = {
> > +		&mt8188_vdosys0_driver_data,
> > +	},
> > +};
> > +
> >  static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data
> > =
> > {
> >  	.main_path = mt8192_mtk_ddp_main,
> >  	.main_len = ARRAY_SIZE(mt8192_mtk_ddp_main),
> > @@ -376,6 +402,8 @@ static const struct of_device_id
> > mtk_drm_of_ids[]
> > = {
> >  	  .data = &mt8183_mmsys_match_data},
> >  	{ .compatible = "mediatek,mt8186-mmsys",
> >  	  .data = &mt8186_mmsys_match_data},
> > +	{ .compatible = "mediatek,mt8188-mmsys",
> > +	  .data = &mt8188_mmsys_match_data},
> >  	{ .compatible = "mediatek,mt8192-mmsys",
> >  	  .data = &mt8192_mmsys_match_data},
> >  	{ .compatible = "mediatek,mt8195-mmsys",
> > @@ -734,6 +762,8 @@ static const struct of_device_id
> > mtk_ddp_comp_dt_ids[] = {
> >  	  .data = (void *)MTK_DISP_MUTEX },
> >  	{ .compatible = "mediatek,mt8186-disp-mutex",
> >  	  .data = (void *)MTK_DISP_MUTEX },
> > +	{ .compatible = "mediatek,mt8188-disp-mutex",
> > +	  .data = (void *)MTK_DISP_MUTEX },
> >  	{ .compatible = "mediatek,mt8192-disp-mutex",
> >  	  .data = (void *)MTK_DISP_MUTEX },
> >  	{ .compatible = "mediatek,mt8195-disp-mutex",
> 
>