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From: Yongqiang Niu <yongqiang.niu@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	"David Airlie" <airlied@linux.ie>,
	Daniel Vetter <daniel@ffwll.ch>,
	Mark Rutland <mark.rutland@arm.com>,
	<dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v4, 23/33] drm/mediatek: add ovl0/ovl_2l0 usecase
Date: Thu, 29 Aug 2019 21:15:08 +0800	[thread overview]
Message-ID: <1567084508.30648.4.camel@mhfsdcap03> (raw)
In-Reply-To: <1563346064.29169.24.camel@mtksdaap41>

On Wed, 2019-07-17 at 14:47 +0800, CK Hu wrote:
> Hi, Yongqiang:
> 
> On Tue, 2019-07-09 at 06:34 +0800, yongqiang.niu@mediatek.com wrote:
> > From: Yongqiang Niu <yongqiang.niu@mediatek.com>
> > 
> > This patch add ovl0/ovl_2l0 usecase
> > in ovl->ovl_2l0 direct link usecase:
> > 1. the crtc support layer number will 4+2
> > 2. ovl_2l0 background color input select ovl0 when crtc init
> > and disable it when crtc finish
> > 3. config ovl_2l0 layer, if crtc config layer number is
> > bigger than ovl0 support layers(max is 4)
> > 
> > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 38 +++++++++++++++++++++++++++++++--
> >  1 file changed, 36 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > index 5eac376..9ee9ce2 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > @@ -282,6 +282,15 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
> >  
> >  	for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
> >  		struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[i];
> > +		enum mtk_ddp_comp_id prev;
> > +
> > +		if (i > 0)
> > +			prev = mtk_crtc->ddp_comp[i - 1]->id;
> > +		else
> > +			prev = DDP_COMPONENT_ID_MAX;
> > +
> > +		if (prev == DDP_COMPONENT_OVL0)
> > +			mtk_ddp_comp_bgclr_in_on(comp);
> 
> I does not like to use a specific component id to check, that is not
> general. For now, you could simply call mtk_ddp_comp_bgclr_in_on(comp);
> for all component because only ovl_2l has implemented it.
> 
> Regards,
> CK
> 

both OVL0 and OVL_2L0 has the function mtk_ddp_comp_bgclr_in_on

> >  
> >  		mtk_ddp_comp_config(comp, width, height, vrefresh, bpc);
> >  		mtk_ddp_comp_start(comp);
> > @@ -291,9 +300,18 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
> >  	for (i = 0; i < mtk_crtc->layer_nr; i++) {
> >  		struct drm_plane *plane = &mtk_crtc->planes[i];
> >  		struct mtk_plane_state *plane_state;
> > +		struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
> > +		unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
> > +		unsigned int local_layer;
> >  
> >  		plane_state = to_mtk_plane_state(plane->state);
> > -		mtk_ddp_comp_layer_config(mtk_crtc->ddp_comp[0], i,
> > +
> > +		if (i >= comp_layer_nr) {
> > +			comp = mtk_crtc->ddp_comp[1];
> > +			local_layer = i - comp_layer_nr;
> > +		} else
> > +			local_layer = i;
> > +		mtk_ddp_comp_layer_config(comp , local_layer,
> >  					  plane_state);
> >  	}
> >  
> > @@ -319,6 +337,7 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
> >  					   mtk_crtc->ddp_comp[i]->id);
> >  	mtk_disp_mutex_disable(mtk_crtc->mutex);
> >  	for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
> > +		mtk_ddp_comp_bgclr_in_off(mtk_crtc->ddp_comp[i]);
> >  		mtk_ddp_remove_comp_from_path(mtk_crtc->config_regs,
> >  					      mtk_crtc->mmsys_reg_data,
> >  					      mtk_crtc->ddp_comp[i]->id,
> > @@ -339,6 +358,8 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
> >  	struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
> >  	struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[0];
> >  	unsigned int i;
> > +	unsigned int comp_layer_nr = mtk_ddp_comp_layer_nr(comp);
> > +	unsigned int local_layer;
> >  
> >  	/*
> >  	 * TODO: instead of updating the registers here, we should prepare
> > @@ -361,7 +382,14 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
> >  			plane_state = to_mtk_plane_state(plane->state);
> >  
> >  			if (plane_state->pending.config) {
> > -				mtk_ddp_comp_layer_config(comp, i, plane_state);
> > +				if (i >= comp_layer_nr) {
> > +					comp = mtk_crtc->ddp_comp[1];
> > +					local_layer = i - comp_layer_nr;
> > +				} else
> > +					local_layer = i;
> > +
> > +				mtk_ddp_comp_layer_config(comp, local_layer,
> > +							  plane_state);
> >  				plane_state->pending.config = false;
> >  			}
> >  		}
> > @@ -592,6 +620,12 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
> >  	}
> >  
> >  	mtk_crtc->layer_nr = mtk_ddp_comp_layer_nr(mtk_crtc->ddp_comp[0]);
> > +	if (mtk_crtc->ddp_comp_nr > 1) {
> > +		struct mtk_ddp_comp *comp = mtk_crtc->ddp_comp[1];
> > +
> > +		if (comp->funcs->bgclr_in_on)
> > +			mtk_crtc->layer_nr += mtk_ddp_comp_layer_nr(comp);
> > +	}
> >  	mtk_crtc->planes = devm_kcalloc(dev, mtk_crtc->layer_nr,
> >  					sizeof(struct drm_plane),
> >  					GFP_KERNEL);
> 
> 



  reply	other threads:[~2019-08-29 13:15 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-08 22:33 [PATCH v4, 00/33] add drm support for MT8183 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 01/33] dt-bindings: mediatek: add binding for mt8183 display yongqiang.niu
2019-07-17  3:22   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 02/33] dt-bindings: mediatek: add ovl_2l description " yongqiang.niu
2019-07-24 20:15   ` Rob Herring
2019-07-08 22:33 ` [PATCH v4, 03/33] dt-bindings: mediatek: add ccorr " yongqiang.niu
2019-07-17  3:37   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 04/33] dt-bindings: mediatek: add dither " yongqiang.niu
2019-07-17  3:40   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 05/33] dt-bindings: mediatek: add RDMA1 " yongqiang.niu
2019-07-24 20:16   ` Rob Herring
2019-07-25  3:20     ` CK Hu
2019-07-25 22:23       ` Rob Herring
2019-07-08 22:33 ` [PATCH v4, 06/33] dt-bindings: mediatek: add mutex " yongqiang.niu
2019-07-16 23:59   ` Ryan Case
2019-07-08 22:33 ` [PATCH v4, 07/33] arm64: dts: add display nodes for mt8183 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 08/33] drm/mediatek: add mutex mod into ddp private data yongqiang.niu
2019-07-17  5:22   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 09/33] drm/mediatek: add mutex mod register offset " yongqiang.niu
2019-07-17  5:23   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 10/33] drm/mediatek: add mutex sof " yongqiang.niu
2019-07-17  5:28   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 11/33] drm/mediatek: add mutex sof register offset " yongqiang.niu
2019-07-17  5:31   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 12/33] drm/mediatek: split DISP_REG_CONFIG_DSI_SEL setting into another use case yongqiang.niu
2019-07-17  5:35   ` CK Hu
2019-08-29 12:39     ` Yongqiang Niu
2019-07-08 22:33 ` [PATCH v4, 13/33] drm/mediatek: add mmsys private data for ddp path config yongqiang.niu
2019-07-17  5:46   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 14/33] drm/mediatek: move rdma sout from mtk_ddp_mout_en into mtk_ddp_sout_sel yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 15/33] drm/mediatek: add ddp component CCORR yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 16/33] drm/mediatek: add commponent OVL_2L0 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 17/33] drm/mediatek: add component OVL_2L1 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 18/33] drm/mediatek: add component DITHER yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 19/33] drm/mediatek: add gmc_bits for ovl private data yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 20/33] drm/medaitek: add layer_nr " yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 21/33] drm/mediatek: add function to background color input select for ovl/ovl_2l direct link yongqiang.niu
2019-07-17  5:53   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 22/33] drm/mediatek: add background color input select function for ovl/ovl_2l yongqiang.niu
2019-07-17  5:58   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 23/33] drm/mediatek: add ovl0/ovl_2l0 usecase yongqiang.niu
2019-07-16 23:13   ` Ryan Case
2019-07-17  6:47   ` CK Hu
2019-08-29 13:15     ` Yongqiang Niu [this message]
2019-07-08 22:34 ` [PATCH v4, 24/33] drm/mediatek: distinguish ovl and ovl_2l by layer_nr yongqiang.niu
2019-07-17  6:55   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 25/33] drm/mediatek: add clock property check before get it yongqiang.niu
2019-07-17  7:01   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 26/33] drm/mediatek: add connection from OVL0 to OVL_2L0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 27/33] drm/mediatek: add connection from RDMA0 to COLOR0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 28/33] drm/mediatek: add connection from RDMA1 to DSI0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 29/33] drm/mediatek: add connection from OVL_2L0 to RDMA0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 30/33] drm/mediatek: add connection from OVL_2L1 to RDMA1 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 31/33] drm/mediatek: add connection from DITHER0 to DSI0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 32/33] drm/mediatek: add connection from RDMA0 " yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 33/33] drm/mediatek: add support for mediatek SOC MT8183 yongqiang.niu

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