From nobody Thu Jan 1 09:12:35 2026 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 61C8EC25B45 for ; Mon, 23 Oct 2023 21:12:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230080AbjJWVMS (ORCPT ); Mon, 23 Oct 2023 17:12:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229499AbjJWVMR (ORCPT ); Mon, 23 Oct 2023 17:12:17 -0400 Received: from smtp.forwardemail.net (smtp.forwardemail.net [149.28.215.223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E115FA4 for ; Mon, 23 Oct 2023 14:12:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1698095525; bh=EPCnxjTdpRw5P9F35T3qjQzzJlRqsS8bWZ4roLB5nXo=; b=gcNihjn2SE/Kg7pcvFvXdA5rphQHLWmJseBfsBDen6uO1LZNX9As3uLIo0NGIeX7FWOveDGzd 8AIwr2HbiQ7yo5pMNC++MjF5rF5XwVvW9jYd2+FWB4jvvoZjtxi5aS50GM9S+C1kprBR0VrF7WC HSrG1GKcFM4qPOOXlivj3DAClfqplBnlG1k6uUK+Spz0g3SeK6BnuLoT/THn+8EbUVG/ioFtm3j Bc/G9KDZrlAy6xcU8SG3ROR/BkTzpKQeYnuCT1kounkx5T64lxFVMgHz34pe2O+XMEblFf3yNiU 0HhtAKwsgC2iPChC7PKS8JGP6DJbp7qq/6wpF57upODA== From: Jonas Karlman To: Heiko Stuebner , Sandy Huang , David Airlie , Daniel Vetter Cc: Christopher Obbard , Jonas Karlman , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/rockchip: vop: Fix color for RGB888/BGR888 format on VOP full Date: Mon, 23 Oct 2023 21:11:57 +0000 Message-ID: <20231023211158.424489-1-jonas@kwiboo.se> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Report-Abuse-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Complaints-To: abuse@forwardemail.net X-ForwardEmail-Version: 0.4.40 X-ForwardEmail-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 149.28.215.223 X-ForwardEmail-ID: 6536e1a4b7c1916c16a25195 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use of DRM_FORMAT_RGB888 and DRM_FORMAT_BGR888 on e.g. RK3288, RK3328 and RK3399 result in wrong colors being displayed. The issue can be observed using modetest: modetest -s @:1920x1080-60@RG24 modetest -s @:1920x1080-60@BG24 Vendor 4.4 kernel apply an inverted rb swap for these formats on VOP full (major =3D 3). Fix colors by applying rb swap similar to vendor 4.4 kernel. Signed-off-by: Jonas Karlman --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/= rockchip/rockchip_drm_vop.c index b3d0b6ae9294..a1ce09a22f83 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -247,14 +247,17 @@ static inline void vop_cfg_done(struct vop *vop) VOP_REG_SET(vop, common, cfg_done, 1); } =20 -static bool has_rb_swapped(uint32_t format) +static bool has_rb_swapped(uint32_t version, uint32_t format) { switch (format) { case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_BGR888: case DRM_FORMAT_BGR565: return true; + case DRM_FORMAT_RGB888: + return VOP_MAJOR(version) =3D=3D 3; + case DRM_FORMAT_BGR888: + return VOP_MAJOR(version) !=3D 3; default: return false; } @@ -1035,7 +1038,7 @@ static void vop_plane_atomic_update(struct drm_plane = *plane, VOP_WIN_SET(vop, win, dsp_info, dsp_info); VOP_WIN_SET(vop, win, dsp_st, dsp_st); =20 - rb_swap =3D has_rb_swapped(fb->format->format); + rb_swap =3D has_rb_swapped(vop->data->version, fb->format->format); VOP_WIN_SET(vop, win, rb_swap, rb_swap); =20 /* --=20 2.42.0