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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qvCvS-009D2b-1D; Tue, 24 Oct 2023 08:38:10 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qvCv7-009Cow-0g; Tue, 24 Oct 2023 08:37:52 +0000 Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8962866072F1; Tue, 24 Oct 2023 09:37:45 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698136666; bh=WS4wMhjmoXB+4KzW8/mmKMaxnWopID7042hz0hzqCPI=; h=Date:From:Subject:To:Cc:References:In-Reply-To:From; b=eJ9le+nLZg9pbxpMxzRMNDH6/UrDCFWmuw2GXy0t7tkJ1eUQNOTsjN4wli1ugzVpF DbWdhtDLI3iDTuCtlWZf55OH5C4tqWY18DwcpUC5M9eb/eVL335V9yiDVCdwHZ1O1Z yCafNmjINX8hYF27U+DWGfqH2s1FMdPWvbOuxMSlIB29jhDG8M57VZl8b/VuD5hV1E yiwVXyrYdZe6hCODrmdVz8+5yuIS+vxeOlJwbHfYsx6YeXowWRqBUfViFqT9mu0ahR D/7OhmY3bzU44sdIbx4UHc5p49yXwv5f1qT5Z/vnuUScVk+SI5Z6jqKAhvS8Fa6aDO MLGXsXE9n1UiQ== Message-ID: <0fa3bc67-baa4-4a7b-a2f2-43aee03ff77f@collabora.com> Date: Tue, 24 Oct 2023 10:37:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: AngeloGioacchino Del Regno Subject: Re: [PATCH v2 07/11] drm/mediatek: Add secure layer config support for ovl To: "Jason-JH.Lin" , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Chun-Kuang Hu Cc: Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, Jason-ch Chen , Johnson Wang , Singo Chang , Nancy Lin , Shawn Sung , Project_Global_Chrome_Upstream_Group@mediatek.com, Jeffrey Kardatzke References: <20231023044549.21412-1-jason-jh.lin@mediatek.com> <20231023044549.21412-8-jason-jh.lin@mediatek.com> Content-Language: en-US In-Reply-To: <20231023044549.21412-8-jason-jh.lin@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231024_013749_501398_ACB2B601 X-CRM114-Status: GOOD ( 22.02 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 23/10/23 06:45, Jason-JH.Lin ha scritto: > Add secure layer config support for ovl. > > Signed-off-by: Jason-JH.Lin > --- > drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 ++ > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 31 +++++++++++++++++-- > .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 12 +++++++ > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 ++ > 4 files changed, 46 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > index 2254038519e1..dec937b183a8 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h > +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h > @@ -9,6 +9,7 @@ > #include > #include > #include > +#include "mtk_drm_ddp_comp.h" > #include "mtk_drm_plane.h" > #include "mtk_mdp_rdma.h" > > @@ -79,6 +80,7 @@ void mtk_ovl_clk_disable(struct device *dev); > void mtk_ovl_config(struct device *dev, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); > int mtk_ovl_layer_check(struct device *dev, unsigned int idx, > struct mtk_plane_state *mtk_state); > void mtk_ovl_layer_config(struct device *dev, unsigned int idx, > @@ -112,6 +114,7 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev); > void mtk_ovl_adaptor_config(struct device *dev, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt); > +u64 mtk_ovl_adaptor_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx); > void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, > struct mtk_plane_state *state, > struct cmdq_pkt *cmdq_pkt); > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > index 2bffe4245466..76e832e4875a 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > @@ -46,6 +46,7 @@ > #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) > #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04) > #define DISP_REG_OVL_HDR_PITCH(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x08) > +#define DISP_REG_OVL_SECURE 0x0fc0 > > #define GMC_THRESHOLD_BITS 16 > #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) > @@ -126,8 +127,19 @@ struct mtk_disp_ovl { > const struct mtk_disp_ovl_data *data; > void (*vblank_cb)(void *data); > void *vblank_cb_data; > + resource_size_t regs_pa; > }; > > +u64 mtk_ovl_get_sec_port(struct mtk_ddp_comp *comp, unsigned int idx) > +{ > + if (comp->id == DDP_COMPONENT_OVL0) > + return 1ULL << CMDQ_SEC_DISP_OVL0; This is BIT_ULL(): return BIT_ULL(CMDQ_SEC_DISP_OVL0); > + else if (comp->id == DDP_COMPONENT_OVL1) > + return 1ULL << CMDQ_SEC_DISP_OVL1; > + > + return 0; > +} > + > static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) > { > struct mtk_disp_ovl *priv = dev_id; > @@ -449,8 +461,22 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, > DISP_REG_OVL_SRC_SIZE(idx)); > mtk_ddp_write_relaxed(cmdq_pkt, offset, &ovl->cmdq_reg, ovl->regs, > DISP_REG_OVL_OFFSET(idx)); > - mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, > - DISP_REG_OVL_ADDR(ovl, idx)); > + > + if (state->pending.is_sec) { > + const struct drm_format_info *fmt_info = drm_format_info(fmt); > + unsigned int buf_size = (pending->height - 1) * pending->pitch + > + pending->width * fmt_info->cpp[0]; > + > + mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &ovl->cmdq_reg, ovl->regs, > + DISP_REG_OVL_SECURE, BIT(idx)); > + mtk_ddp_sec_write(cmdq_pkt, ovl->regs_pa + DISP_REG_OVL_ADDR(ovl, idx), > + pending->addr, CMDQ_IWC_H_2_MVA, 0, buf_size, 0); > + } else { > + mtk_ddp_write_mask(cmdq_pkt, 0, &ovl->cmdq_reg, ovl->regs, > + DISP_REG_OVL_SECURE, BIT(idx)); > + mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs, > + DISP_REG_OVL_ADDR(ovl, idx)); > + } > > if (is_afbc) { > mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs, > @@ -529,6 +555,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) > } > > 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 ovl\n"); > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > index 6bf6367853fb..28a0bccfb0b9 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > @@ -83,6 +83,18 @@ static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { > [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, 0 }, > }; > > +static const u64 ovl_adaptor_sec_port[] = { > + 1ULL << CMDQ_SEC_VDO1_DISP_RDMA_L0, BIT_ULL(CMDQ_SEC_VDO1_DISP_RDMA_L0), BIT_ULL(......), Regards, Angelo