From nobody Fri Sep 20 13:25:37 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3ADDC04FE0 for ; Tue, 1 Aug 2023 11:59:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234455AbjHAL7g (ORCPT ); Tue, 1 Aug 2023 07:59:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234154AbjHAL7P (ORCPT ); Tue, 1 Aug 2023 07:59:15 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C78019AD for ; Tue, 1 Aug 2023 04:59:11 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 30348660719D; Tue, 1 Aug 2023 12:59:09 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1690891149; bh=bIIKYPpYUW37n4evWOm2DHgCvgnXkZJWa85NMhhI5KA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l8L3xSkhM43WY2zCAVf4lrFLzu0YDc4g8Rvuvsws+5WWL2Dsg6KEitCIF42I7IAu7 hHepBpPfvYvfGjcEJSju1h1pMBubK4y7+isthEAX9vQvSFRE3QKekb43FZj+n2YV90 IYd8Uo3r672x0TTsf6rr2xxSmCz3kHCLewi/JKxgdOqq4BBijppuht0VodxK/p4i08 gAm4Wn/2yrAYuCJYZyY+0cLN1DHiO9Q0JM4n2LUrStTNEzEDfOv99lZj4Vj9inuAFn SYBwIbk0SKuhFQKWm+d8Ga8usVC6838e5cpqlxfIRetgJxTdQVWduylSi4o/wgC5wL tsJBAEPJzgppw== From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, wenst@chromium.org, kernel@collabora.com, ehristev@collabora.com, "Jason-JH . Lin" , Alexandre Mergnat Subject: [PATCH v8 10/13] drm/mediatek: gamma: Make sure relay mode is disabled Date: Tue, 1 Aug 2023 13:58:51 +0200 Message-ID: <20230801115854.150346-11-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230801115854.150346-1-angelogioacchino.delregno@collabora.com> References: <20230801115854.150346-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Disable relay mode at the end of LUT programming to make sure that the processed image goes through. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Jason-JH.Lin Reviewed-by: Alexandre Mergnat --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/me= diatek/mtk_disp_gamma.c index 12614cc26bf8..6591797ed10c 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -19,6 +19,7 @@ #define DISP_GAMMA_EN 0x0000 #define GAMMA_EN BIT(0) #define DISP_GAMMA_CFG 0x0020 +#define GAMMA_RELAY_MODE BIT(0) #define GAMMA_LUT_EN BIT(1) #define GAMMA_DITHERING BIT(2) #define DISP_GAMMA_SIZE 0x0030 @@ -192,6 +193,9 @@ void mtk_gamma_set_common(struct device *dev, void __io= mem *regs, /* Enable the gamma table */ cfg_val |=3D FIELD_PREP(GAMMA_LUT_EN, 1); =20 + /* Disable RELAY mode to pass the processed image */ + cfg_val &=3D ~GAMMA_RELAY_MODE; + writel(cfg_val, regs + DISP_GAMMA_CFG); } =20 --=20 2.41.0