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Message-ID: <5d970102fde31ee188ddc0bbc2f5e591f8597238.camel@mediatek.com>
Date: Wed, 25 Oct 2023 08:03:02 +0000
From: Jason-JH Lin (林睿祥)
<Jason-JH.Lin@...iatek.com>
To: "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
"angelogioacchino.delregno@...labora.com"
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Subject: Re: [PATCH v2 08/11] drm/mediatek: Add secure layer config support
for ovl_adaptor
Hi Angelo,
Thanks for the reviews.
On Tue, 2023-10-24 at 10:37 +0200, AngeloGioacchino Del Regno wrote:
> Il 23/10/23 06:45, Jason-JH.Lin ha scritto:
> > Add secure layer config support for ovl_adaptor and sub driver
> > mdp_rdma.
> >
> > Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> > ---
> > drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 3 +++
> > drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 11 ++++++++---
> > drivers/gpu/drm/mediatek/mtk_mdp_rdma.h | 2 ++
> > 3 files changed, 13 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> > b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> > index 28a0bccfb0b9..274961222672 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
> > @@ -153,6 +153,9 @@ void mtk_ovl_adaptor_layer_config(struct device
> > *dev, unsigned int idx,
> > rdma_config.pitch = pending->pitch;
> > rdma_config.fmt = pending->format;
> > rdma_config.color_encoding = pending->color_encoding;
> > + rdma_config.source_size = (pending->height - 1) * pending-
> > >pitch +
> > + pending->width * fmt_info->cpp[0];
> > + rdma_config.is_sec = state->pending.is_sec;
> > mtk_mdp_rdma_config(rdma_l, &rdma_config, cmdq_pkt);
> >
> > if (use_dual_pipe) {
> > diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > index c3adaeefd551..1c4798e3bbc3 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> > @@ -94,6 +94,7 @@ struct mtk_mdp_rdma {
> > void __iomem *regs;
> > struct clk *clk;
> > struct cmdq_client_reg cmdq_reg;
> > + resource_size_t regs_pa;
> > };
> >
> > static unsigned int rdma_fmt_convert(unsigned int fmt)
> > @@ -198,9 +199,12 @@ void mtk_mdp_rdma_config(struct device *dev,
> > struct mtk_mdp_rdma_cfg *cfg,
> > else
> > mtk_ddp_write_mask(cmdq_pkt, 0, &priv->cmdq_reg, priv-
> > >regs,
> > MDP_RDMA_SRC_CON, FLD_OUTPUT_ARGB);
> > -
> > - mtk_ddp_write_mask(cmdq_pkt, cfg->addr0, &priv->cmdq_reg, priv-
> > >regs,
> > - MDP_RDMA_SRC_BASE_0, FLD_SRC_BASE_0);
> > + if (cfg->is_sec)
> > + mtk_ddp_sec_write(cmdq_pkt, priv->regs_pa +
> > MDP_RDMA_SRC_BASE_0,
> > + cfg->addr0, CMDQ_IWC_H_2_MVA, 0, cfg-
> > >source_size, 0);
> > + else
> > + mtk_ddp_write_mask(cmdq_pkt, cfg->addr0, &priv-
> > >cmdq_reg, priv->regs,
> > + MDP_RDMA_SRC_BASE_0,
> > FLD_SRC_BASE_0);
> >
> > mtk_ddp_write_mask(cmdq_pkt, src_pitch_y, &priv->cmdq_reg,
> > priv->regs,
> > MDP_RDMA_MF_BKGD_SIZE_IN_BYTE,
> > FLD_MF_BKGD_WB);
> > @@ -285,6 +289,7 @@ static int mtk_mdp_rdma_probe(struct
> > platform_device *pdev)
> > return -ENOMEM;
> >
> > res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > + priv->regs_pa = res->start;
> > priv->regs = devm_ioremap_resource(dev, res);
> > if (IS_ERR(priv->regs)) {
> > dev_err(dev, "failed to ioremap rdma\n");
> > diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h
> > b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h
> > index 9943ee3aac31..9add18e96319 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.h
> > @@ -15,6 +15,8 @@ struct mtk_mdp_rdma_cfg {
> > unsigned int y_top;
> > int fmt;
> > int color_encoding;
> > + unsigned int source_size;
> > + unsigned int is_sec;
>
> is_secure looks better.
>
OK, I'll change it.
Regards,
Jason-JH.Lin
> Regards,
> Angelo
>
> > };
> >
> > #endif // __MTK_MDP_RDMA_H__
>
>
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