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Wed, 19 Aug 2020 22:15:38 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 19 Aug 2020 23:05:58 -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 14:05:56 +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 14:05:55 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , "Rob Herring" , Matthias Brugger Subject: [PATCH v1 18/21] drm/mediatek: add dither bypass shadow register function Date: Thu, 20 Aug 2020 14:04:15 +0800 Message-ID: <1597903458-8055-19-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_021546_631070_DB8A9E6E X-CRM114-Status: GOOD ( 14.82 ) 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, linux-mediatek@lists.infradead.org, Daniel Vetter , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org add dither bypass shadow register function Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 0c81253..315bd3a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -23,6 +23,9 @@ #define DISP_OD_INTSTA 0x000c #define DISP_OD_CFG 0x0020 #define DISP_OD_SIZE 0x0030 + +#define DITHER_REG(idx) (0x100 + (idx) * 4) +#define DITHER_BYPASS_SHADOW BIT(0) #define DISP_DITHER_5 0x0114 #define DISP_DITHER_7 0x011c #define DISP_DITHER_15 0x013c @@ -291,6 +294,13 @@ static void mtk_dither_stop(struct mtk_ddp_comp *comp) writel_relaxed(0x0, comp->regs + DISP_DITHER_EN); } +static void mtk_dither_bypass_shadow(struct mtk_ddp_comp *comp) +{ + mtk_ddp_write_mask(NULL, DITHER_BYPASS_SHADOW, comp, + DITHER_REG(0), + DITHER_BYPASS_SHADOW); +} + static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) @@ -368,6 +378,7 @@ static void mtk_postmask_stop(struct mtk_ddp_comp *comp) .config = mtk_dither_config, .start = mtk_dither_start, .stop = mtk_dither_stop, + .bypass_shadow = mtk_dither_bypass_shadow, }; static const struct mtk_ddp_comp_funcs ddp_gamma = { -- 1.8.1.1.dirty _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel