From nobody Thu Nov 14 16:49:39 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 BA184C001DC for ; Mon, 31 Jul 2023 13:05:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229799AbjGaNFW (ORCPT ); Mon, 31 Jul 2023 09:05:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232827AbjGaNE6 (ORCPT ); Mon, 31 Jul 2023 09:04:58 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FD1B1709 for ; Mon, 31 Jul 2023 06:04:56 -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 6ED3666070F7; Mon, 31 Jul 2023 14:04:54 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1690808695; bh=ku3saUJmkxnMvFquNrLcvYui7sCcvn9fbu+KQWEoQ/g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lcyrATkc+TEKSOg4PgIF2EfzSGDC+xLhHA8q5zRAIl+rwklu+l4nJskht8U17VmIV vZK7cjeSoYK+wLz0/1KsZcFid0bZnqCTLBpzJBjt2Irzx293MIDWLkcNJJjkShYQR7 YBhHz17sZI55I2kfx6KN2GFNQsboVrFvD3dHo7Utfovqp7MuGUaF5T+kzEU6BRxsVc 3gX28ifHDhByecdtOp/C6pL8sExcrriURNLKk9mJjqA+FXDKCo5Tu3WLgaPbQIQipN 7mtdM9rohkCX4n+nDxqvOsKweYvCwao/72ZwcrT7ELm+5bHevGb7F1ropoHLE2aqQo fJrSESViVMlxA== 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 v7 10/13] drm/mediatek: gamma: Make sure relay mode is disabled Date: Mon, 31 Jul 2023 15:04:38 +0200 Message-ID: <20230731130441.173960-11-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230731130441.173960-1-angelogioacchino.delregno@collabora.com> References: <20230731130441.173960-1-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 a846d0dbaa69..659d5c512238 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 @@ -195,6 +196,9 @@ void mtk_gamma_set_common(struct device *dev, void __io= mem *regs, struct drm_crt /* 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