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Wed, 19 Aug 2020 22:15:48 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 19 Aug 2020 23:06:00 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 20 Aug 2020 14:05:58 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 20 Aug 2020 14:05:57 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , "Rob Herring" , Matthias Brugger Subject: [PATCH v1 20/21] drm/mediatek: add ccorr bypass shadow register function Date: Thu, 20 Aug 2020 14:04:17 +0800 Message-ID: <1597903458-8055-21-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1597903458-8055-1-git-send-email-yongqiang.niu@mediatek.com> References: <1597903458-8055-1-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-20200820_021553_883674_0F8255FA X-CRM114-Status: GOOD ( 15.31 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@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, linux-mediatek@lists.infradead.org, Daniel Vetter , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org add ccorr bypass shadow register function Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index b4a6df5..ff23a94 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -55,6 +55,8 @@ #define DISP_CCORR_COEF_2 0x0088 #define DISP_CCORR_COEF_3 0x008C #define DISP_CCORR_COEF_4 0x0090 +#define DISP_CCORR_SHADOW 0x00A0 +#define CCORR_BYPASS_SHADOW BIT(2) #define DISP_DITHER_EN 0x0000 #define DITHER_EN BIT(0) @@ -284,6 +286,13 @@ static void mtk_ccorr_ctm_set(struct mtk_ddp_comp *comp, comp, DISP_CCORR_COEF_4); } +static void mtk_ccorr_bypass_shadow(struct mtk_ddp_comp *comp) +{ + mtk_ddp_write_mask(NULL, CCORR_BYPASS_SHADOW, comp, + DISP_CCORR_SHADOW, + CCORR_BYPASS_SHADOW); +} + static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) @@ -381,6 +390,7 @@ static void mtk_postmask_stop(struct mtk_ddp_comp *comp) .start = mtk_ccorr_start, .stop = mtk_ccorr_stop, .ctm_set = mtk_ccorr_ctm_set, + .bypass_shadow = mtk_ccorr_bypass_shadow }; static const struct mtk_ddp_comp_funcs ddp_dither = {