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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BE36C35641 for ; Fri, 21 Feb 2020 08:43:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6753F206DB for ; Fri, 21 Feb 2020 08:43:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582274624; bh=uyTSEKzssiXTjw2/MDuQphK+UDTxkooeOKp7U8Y6QyY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QHCnY8dyn+iMbNLZhAr0Em5JV6PEQ+1Dol5SYSoLBEXdY99HLVhUD2rAAASgONtnw nkbTeSJDyr7mCeLwN2J90cw0El9DoyFzeJWV9ZM1TSbV7a2Zq4ZwzX9hUBjdIzftC8 LJ0ETR4HlLu+Ffcg5pYnr+b7KlpOUYun0oX1nfRI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729699AbgBUHxQ (ORCPT ); Fri, 21 Feb 2020 02:53:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:51402 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730014AbgBUHxO (ORCPT ); Fri, 21 Feb 2020 02:53:14 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3F92D24672; Fri, 21 Feb 2020 07:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582271593; bh=uyTSEKzssiXTjw2/MDuQphK+UDTxkooeOKp7U8Y6QyY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xYV3ypphApIfE3voPqFeD9YDtOIA2sqPY06+eFjX2yWMeVd6MKwre2Ey9GE+WylCz xScNDKEzc3ywKgKtvcItuZoNeXC8JZigWtM4usDfgRLRap5Lu7snMhY8Z7hAIYHRVl AX1tW9jjU0tTi7n+f5FVfa5c/qxNeVOiW72+VVlw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yongqiang Niu , Hsin-Yi Wang , CK Hu , Sasha Levin Subject: [PATCH 5.5 224/399] drm/mediatek: Add gamma property according to hardware capability Date: Fri, 21 Feb 2020 08:39:09 +0100 Message-Id: <20200221072424.720313608@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072402.315346745@linuxfoundation.org> References: <20200221072402.315346745@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yongqiang Niu [ Upstream commit 4cebc1de506fa753301266a5a23bb21bca52ad3a ] If there is no gamma function in the crtc display path, don't add gamma property for crtc Fixes: 2f3f4dda747c ("drm/mediatek: Add gamma correction.") Signed-off-by: Yongqiang Niu Signed-off-by: Hsin-Yi Wang Signed-off-by: CK Hu Signed-off-by: Sasha Levin --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 4132cd114a037..c3f5111fd563f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -641,6 +641,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, int pipe = priv->num_pipes; int ret; int i; + uint gamma_lut_size = 0; if (!path) return 0; @@ -691,6 +692,9 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, } mtk_crtc->ddp_comp[i] = comp; + + if (comp->funcs && comp->funcs->gamma_set) + gamma_lut_size = MTK_LUT_SIZE; } for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) @@ -711,8 +715,10 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, NULL, pipe); if (ret < 0) return ret; - drm_mode_crtc_set_gamma_size(&mtk_crtc->base, MTK_LUT_SIZE); - drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, MTK_LUT_SIZE); + + if (gamma_lut_size) + drm_mode_crtc_set_gamma_size(&mtk_crtc->base, gamma_lut_size); + drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, gamma_lut_size); priv->num_pipes++; return 0; -- 2.20.1