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[2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:42 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Subject: [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 23 May 2022 12:47:48 +0200 Message-Id: <20220523104758.29531-16-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 763bfb700135..a6b6d62a17e7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -478,7 +478,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -711,6 +710,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status -- 2.35.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4CD2C433EF for ; Mon, 23 May 2022 10:51:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1ED8A10EEEE; Mon, 23 May 2022 10:51:46 +0000 (UTC) Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by gabe.freedesktop.org (Postfix) with ESMTPS id 83AEA10EEEE for ; Mon, 23 May 2022 10:51:44 +0000 (UTC) Received: by mail-wm1-x330.google.com with SMTP id z17so1627251wmf.1 for ; Mon, 23 May 2022 03:51:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=2GpBC1024UFGepfN4EeJgCuO1UN/4rP8fzM4ZTL1Oy3Eb3PQ2YbsieGfwd/wr19Az/ vWLap0skRbcSkUKW+aQZeMenpJ688qxeEMD6FtIdTctSUfNDjNU3ehuSa8LsbZCQyUSK Zy+t65L6dGDUIql6D2yeRE+ALRoFTHsQeKMF2wqO2ShIe7QcffeUStrl7exDqGkmebos xLpftSD8FbLe/y/SJYDwky1vcICDBek0D4TMe/W6PIp1v0fzs2QFFKULXHPK5y2KoT2H 8pWePMqWJBCozqwdHN94XLhrb7SeHk7Zo861HG5+ZCYdcczXlH57WTcJRxLCU2WW9NiG XpYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=0iGQOquK7n4M7UjNJC84EI8W0VVwLMrCGx94JgTqLpwrKWJX2g536ebW4pSU0pW4pi IkZ9cSbDpEd9Df9/dkbNN4zxGtXvYbDxf+6X9OF+7zvGmGtZTWfjXrcbNPLTK351ODC4 lYouXlCAwsVz51yT3btUVwzh+tt56LY45lRBLAchCDXp37mA9puGJ8A1uafpxk9nCx2I h5xF8nKuA6L6k68eeKLyi33rvQ3dl3zWEMKoLhBPNZ7KLUUZAj89D/B/lHddAKdXZyA3 m8kTvDLt505EOwpEnT05YgABs9orG0srYZFe66RdkYqXoY9ZPTTnqpDta+plj0SITqhZ XpVQ== X-Gm-Message-State: AOAM531b2FGsTQkHXYAWZL5u2QfU7AFtIO09V8zTgrEoVTd7DHsW98cC Whsh+0xA/A4yc8d/AlAapqU36g== X-Google-Smtp-Source: ABdhPJwNegNr44So8xq4D2p9JaCnMXp0VvpDOo2fky113Q7b9TeovIyeLXQjxBiFJh/CiujqFzERLQ== X-Received: by 2002:a05:600c:3048:b0:394:436b:76b6 with SMTP id n8-20020a05600c304800b00394436b76b6mr19844563wmh.63.1653303103041; Mon, 23 May 2022 03:51:43 -0700 (PDT) Received: from localhost.localdomain (2a02-8440-6141-9d1b-3074-96af-9642-0003.rev.sfr.net. [2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:42 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Subject: [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 23 May 2022 12:47:48 +0200 Message-Id: <20220523104758.29531-16-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 763bfb700135..a6b6d62a17e7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -478,7 +478,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -711,6 +710,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status -- 2.35.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 37B97C433F5 for ; Mon, 23 May 2022 11:39:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OUyzomO6yGtKayezpw9+SU3tSslA1pRbt89nSRKtusk=; b=lg7shwnkL5YBMP K4lUgx5Ysy08w8fMYhMWCCCHp9wUcqnLVjs5qDy5CGezCaa5JfajWA0vZIdy/InP+ZSGMDKXh5qI3 K7Dp88OuyllhuQTsnscZ0bqJZKsS2aznNhRaYwb/eG0IN3wsivi2CTvx/A6yGCp60X8nE0XZEN4Yj cp9TBdes6Be7zcOhZIEa1vChIiqkRYtQ491LCQl/OSk/TtvIL96HqEQ8S5ajp4TLckxBrjthwfSWs rihg9xf20yOVOALO1S2Wmj76Z/iVgDsZDSXlLCUIPiUCLNjdzSr1lHh4EphtJT0IMx8Jby3lOIqSD aGOcUKfNDbSzLB7qjZXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nt6Pb-003mZo-C0; Mon, 23 May 2022 11:39:47 +0000 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nt5f6-003QLS-G7 for linux-phy@lists.infradead.org; Mon, 23 May 2022 10:51:46 +0000 Received: by mail-wm1-x335.google.com with SMTP id r9-20020a1c4409000000b00397345f2c6fso6340118wma.4 for ; Mon, 23 May 2022 03:51:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=2GpBC1024UFGepfN4EeJgCuO1UN/4rP8fzM4ZTL1Oy3Eb3PQ2YbsieGfwd/wr19Az/ vWLap0skRbcSkUKW+aQZeMenpJ688qxeEMD6FtIdTctSUfNDjNU3ehuSa8LsbZCQyUSK Zy+t65L6dGDUIql6D2yeRE+ALRoFTHsQeKMF2wqO2ShIe7QcffeUStrl7exDqGkmebos xLpftSD8FbLe/y/SJYDwky1vcICDBek0D4TMe/W6PIp1v0fzs2QFFKULXHPK5y2KoT2H 8pWePMqWJBCozqwdHN94XLhrb7SeHk7Zo861HG5+ZCYdcczXlH57WTcJRxLCU2WW9NiG XpYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=Shkxxg0PwGkz+QeMQsdsAiRaV7eD7GcMtfHoF2zrqW1428oCafMrY0nKxGULXZCjRI mtLIB9KX1nVJxWck9YWqxeSUUCqQ4Zch1nq+S0CtgxGeC88ygdXsCvuR4lhUva0mqmzO Mcv7m0b9B02kFRVOb+fYYFac3FYTeFAfA56b7BgVY31G18/C2e54rN17mbNsSytY4h35 mdDJKB7YNOz23AZFzSNWHC+Y7+xLKc2Zi4px3LEKdBKxXi3xJwfqANmXVIyFlfTMIjE+ 3FrIRGQuQzfS9JkwE5VDqPlOYLghQZxj4R85GILQanqGex8xQKLc0YTCRTb1KD6EnkYJ kIZA== X-Gm-Message-State: AOAM5311cxBSw/7KSyO4TM7iLqLhWMNfpbhB4iXlcVS6FiTBMre9zKsE tY/xEp0OkXaWYDp9V+MxovdJzA== X-Google-Smtp-Source: ABdhPJwNegNr44So8xq4D2p9JaCnMXp0VvpDOo2fky113Q7b9TeovIyeLXQjxBiFJh/CiujqFzERLQ== X-Received: by 2002:a05:600c:3048:b0:394:436b:76b6 with SMTP id n8-20020a05600c304800b00394436b76b6mr19844563wmh.63.1653303103041; Mon, 23 May 2022 03:51:43 -0700 (PDT) Received: from localhost.localdomain (2a02-8440-6141-9d1b-3074-96af-9642-0003.rev.sfr.net. [2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:42 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Subject: [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 23 May 2022 12:47:48 +0200 Message-Id: <20220523104758.29531-16-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_035144_657759_83D34237 X-CRM114-Status: GOOD ( 12.51 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 763bfb700135..a6b6d62a17e7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -478,7 +478,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -711,6 +710,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status -- 2.35.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 11C73C433EF for ; Mon, 23 May 2022 11:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X0Oww5W9n72QhnWyEheTvE7oFfG+CEBWONKsSkagjbs=; b=EQodcHykMCaeAR aDZ62ca7HiDtQsmn6BZJJKhz4xKvPDS/H4E2tBuPpEBMJPDlrTgKROVcaTO5tq4d7QfFbpjIKUXof anHrU4CsFicfr7m8QDp6oplzIqpL17k7N0ib31oxQ5cX+T4oaB2XSimhICpTUkJqKX+GvAaMKdu89 cy8d4XE9Tdzu/h7CAvcO/BreAbPCKrA0dF9V5RRxhM7icF+YmyiqalpYSdv36KSiYoH18HqQ37bSf RvLy8v5OWvx/Pkl1ky8h+X0nt4kntVTct1nvm9AD1Ne0yEDa+x4ghXOgdQ4VilM6eF2PwGbs3uITE at9RsMp2t3yqLLkHLi6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nt6Pd-003maA-Um; Mon, 23 May 2022 11:39:50 +0000 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nt5f7-003QLT-OZ for linux-arm-kernel@lists.infradead.org; Mon, 23 May 2022 10:51:47 +0000 Received: by mail-wm1-x32e.google.com with SMTP id i82-20020a1c3b55000000b00397391910d5so5097189wma.1 for ; Mon, 23 May 2022 03:51:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=2GpBC1024UFGepfN4EeJgCuO1UN/4rP8fzM4ZTL1Oy3Eb3PQ2YbsieGfwd/wr19Az/ vWLap0skRbcSkUKW+aQZeMenpJ688qxeEMD6FtIdTctSUfNDjNU3ehuSa8LsbZCQyUSK Zy+t65L6dGDUIql6D2yeRE+ALRoFTHsQeKMF2wqO2ShIe7QcffeUStrl7exDqGkmebos xLpftSD8FbLe/y/SJYDwky1vcICDBek0D4TMe/W6PIp1v0fzs2QFFKULXHPK5y2KoT2H 8pWePMqWJBCozqwdHN94XLhrb7SeHk7Zo861HG5+ZCYdcczXlH57WTcJRxLCU2WW9NiG XpYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=L59GiR9dWwoU3bIhqqTo2XYxtqfhGwikIlZ2jdUecpc=; b=Sr9FMB80px9MIPslPkLuIAvq4NAufZXbTFxVxB5yxFw/LyGONTE/zF9IIvJKi0UHS0 P6j49gxlUQWGztZdWGpG+PFXqKbD520xAOudOigPqDzAF8SqZNpfM4W8pBG2F3hZXmTn 1fyoSdpANNMfIcj4CV5w3+DJ6jPMFCFImhZ/fSTGYcQx+lYjcCzDhU+Tvb+5NsAsktAU S42ZkJc+L2uhI+QZSKCRYDhezD3AhoFXNpjjo0GzeoZGcZ526XKTdTr8GloEaKWeUN4+ Y6/Sy5x2QegqOVQ3kQXj7aJBYKRjSqW4DHQHeVj8DcbUfkAZNWaHaAxAOoBP6XPR909R gqrA== X-Gm-Message-State: AOAM5313MoJKOPQE7JJ6raR7Be3yG1JwjqJJykbQYkjzHHNVpF+/y9an LZSwAfD0fAFabb3/y1flwDlnrw== X-Google-Smtp-Source: ABdhPJwNegNr44So8xq4D2p9JaCnMXp0VvpDOo2fky113Q7b9TeovIyeLXQjxBiFJh/CiujqFzERLQ== X-Received: by 2002:a05:600c:3048:b0:394:436b:76b6 with SMTP id n8-20020a05600c304800b00394436b76b6mr19844563wmh.63.1653303103041; Mon, 23 May 2022 03:51:43 -0700 (PDT) Received: from localhost.localdomain (2a02-8440-6141-9d1b-3074-96af-9642-0003.rev.sfr.net. [2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:42 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Subject: [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 23 May 2022 12:47:48 +0200 Message-Id: <20220523104758.29531-16-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_035145_895632_B225D487 X-CRM114-Status: GOOD ( 14.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 763bfb700135..a6b6d62a17e7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -478,7 +478,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -711,6 +710,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status -- 2.35.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3DF3C433F5 for ; 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[2a02:8440:6141:9d1b:3074:96af:9642:3]) by smtp.gmail.com with ESMTPSA id n11-20020a7bc5cb000000b003942a244f38sm8453607wmk.17.2022.05.23.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 03:51:42 -0700 (PDT) From: Guillaume Ranquet To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Chunfeng Yun , Kishon Vijay Abraham I , Vinod Koul , Helge Deller , CK Hu , Jitao shi Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Subject: [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 23 May 2022 12:47:48 +0200 Message-Id: <20220523104758.29531-16-granquet@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220523104758.29531-1-granquet@baylibre.com> References: <20220523104758.29531-1-granquet@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_115145_258257_22A8FFAD X-CRM114-Status: GOOD ( 12.66 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Signed-off-by: Guillaume Ranquet --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 763bfb700135..a6b6d62a17e7 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -478,7 +478,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -711,6 +710,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status -- 2.35.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek