From patchwork Thu Mar 14 08:05:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 10852339 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 55AB614DE for ; Thu, 14 Mar 2019 08:24:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 211FC28B37 for ; Thu, 14 Mar 2019 08:24:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F8DB28C49; Thu, 14 Mar 2019 08:24:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=2.0 tests=BAYES_00,HTML_MESSAGE, MAILING_LIST_MULTI,MIME_BASE64_TEXT,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9079428B37 for ; 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Thu, 14 Mar 2019 16:06:30 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 14 Mar 2019 16:06:29 +0800 From: Yongqiang Niu To: , , , Subject: [RESEND PATCH v1, 09/18] drm/mediatek: add component DITHER Date: Thu, 14 Mar 2019 16:05:53 +0800 Message-ID: <1552550762-21527-10-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1552550762-21527-1-git-send-email-yongqiang.niu@mediatek.com> References: <1552550762-21527-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 14 Mar 2019 08:23:35 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Yongqiang Niu , airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch add component DITHER Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 ++ 2 files changed, 34 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 63f4b1e..a97e27b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -47,6 +47,12 @@ #define CCORR_RELAY_MODE BIT(0) #define DISP_CCORR_SIZE 0x0030 +#define DISP_DITHER_EN 0x0000 +#define DITHER_EN BIT(0) +#define DISP_DITHER_CFG 0x0020 +#define DITHER_RELAY_MODE BIT(0) +#define DISP_DITHER_SIZE 0x0030 + #define DISP_GAMMA_EN 0x0000 #define DISP_GAMMA_CFG 0x0020 #define DISP_GAMMA_SIZE 0x0030 @@ -155,6 +161,24 @@ static void mtk_ccorr_stop(struct mtk_ddp_comp *comp) writel_relaxed(0x0, comp->regs + DISP_CCORR_EN); } +static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w, + unsigned int h, unsigned int vrefresh, + unsigned int bpc) +{ + writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE); + writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG); +} + +static void mtk_dither_start(struct mtk_ddp_comp *comp) +{ + writel(DITHER_EN, comp->regs + DISP_DITHER_EN); +} + +static void mtk_dither_stop(struct mtk_ddp_comp *comp) +{ + writel_relaxed(0x0, comp->regs + DISP_DITHER_EN); +} + static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc) @@ -209,6 +233,12 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp, .stop = mtk_ccorr_stop, }; +static const struct mtk_ddp_comp_funcs ddp_dither = { + .config = mtk_dither_config, + .start = mtk_dither_start, + .stop = mtk_dither_stop, +}; + static const struct mtk_ddp_comp_funcs ddp_gamma = { .gamma_set = mtk_gamma_set, .config = mtk_gamma_config, @@ -233,6 +263,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp, [MTK_DISP_CCORR] = "ccorr", [MTK_DISP_AAL] = "aal", [MTK_DISP_GAMMA] = "gamma", + [MTK_DISP_DITHER] = "dither", [MTK_DISP_UFOE] = "ufoe", [MTK_DSI] = "dsi", [MTK_DPI] = "dpi", @@ -255,6 +286,7 @@ struct mtk_ddp_comp_match { [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr }, [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, NULL }, [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, NULL }, + [DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither }, [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL }, [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, NULL }, [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, NULL }, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 6905647..b0064c52 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -29,6 +29,7 @@ enum mtk_ddp_comp_type { MTK_DISP_WDMA, MTK_DISP_COLOR, MTK_DISP_CCORR, + MTK_DISP_DITHER, MTK_DISP_AAL, MTK_DISP_GAMMA, MTK_DISP_UFOE, @@ -48,6 +49,7 @@ enum mtk_ddp_comp_id { DDP_COMPONENT_CCORR, DDP_COMPONENT_COLOR0, DDP_COMPONENT_COLOR1, + DDP_COMPONENT_DITHER, DDP_COMPONENT_DPI0, DDP_COMPONENT_DPI1, DDP_COMPONENT_DSI0,