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Sun, 10 Jan 2021 23:44:03 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 10 Jan 2021 23:44:02 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 11 Jan 2021 15:44:01 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 11 Jan 2021 15:44:01 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , "Rob Herring" , Matthias Brugger Subject: [PATCH v3, 07/15] drm/mediatek: enable OVL_LAYER_SMI_ID_EN for multi-layer usecase Date: Mon, 11 Jan 2021 15:43:43 +0800 Message-ID: <1610351031-21133-8-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1610351031-21133-1-git-send-email-yongqiang.niu@mediatek.com> References: <1610351031-21133-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210111_024407_932148_2C477FC6 X-CRM114-Status: GOOD ( 13.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Yongqiang Niu , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, linux-mediatek@lists.infradead.org, Daniel Vetter , Hsin-Yi Wang , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org enable OVL_LAYER_SMI_ID_EN for multi-layer usecase Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index b47c238..4934bee 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -23,6 +23,7 @@ #define DISP_REG_OVL_RST 0x0014 #define DISP_REG_OVL_ROI_SIZE 0x0020 #define DISP_REG_OVL_DATAPATH_CON 0x0024 +#define OVL_LAYER_SMI_ID_EN BIT(0) #define OVL_BGCLR_SEL_IN BIT(2) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c @@ -61,6 +62,7 @@ struct mtk_disp_ovl_data { unsigned int gmc_bits; unsigned int layer_nr; bool fmt_rgb565_is_0; + bool smi_id_en; }; /** @@ -116,7 +118,17 @@ static void mtk_ovl_disable_vblank(struct mtk_ddp_comp *comp) static void mtk_ovl_start(struct mtk_ddp_comp *comp) { + struct mtk_disp_ovl *ovl = comp_to_ovl(comp); + writel_relaxed(0x1, comp->regs + DISP_REG_OVL_EN); + + if(ovl->data->smi_id_en) { + unsigned int reg; + + reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON); + reg = reg | OVL_LAYER_SMI_ID_EN; + writel_relaxed(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON); + } } static void mtk_ovl_stop(struct mtk_ddp_comp *comp)