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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 406A1C76195 for ; Mon, 20 Mar 2023 15:12:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232405AbjCTPMH (ORCPT ); Mon, 20 Mar 2023 11:12:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231947AbjCTPLi (ORCPT ); Mon, 20 Mar 2023 11:11:38 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EF204486 for ; Mon, 20 Mar 2023 08:06:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 300AAB80EC4 for ; Mon, 20 Mar 2023 15:06:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DC70C4339B; Mon, 20 Mar 2023 15:06:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1679324782; bh=S6tEHWndNmSMMQ5WutitFRxVDIVV+AOXs7zwPkBG9T4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OV5uEEToVsNABGRTMb8E/J22STSzbRQhJ/ZiD8bzlLLbbq5mdosyHIXsK9Kxq2M2a 8W0lkVuisJ1rPiWsPEP5PYIg7HPc3oN04Dv90Mewaoji2bRXAq/ueMyTt6VTl0ImnE 5ZTgleBpQkHIEbPj8fQjGDz2TS/yJUQeVUbxkoQo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Martin Blumenstingl , Christian Hewitt , Neil Armstrong , Sasha Levin Subject: [PATCH 5.15 004/115] drm/meson: fix 1px pink line on GXM when scaling video overlay Date: Mon, 20 Mar 2023 15:53:36 +0100 Message-Id: <20230320145449.537167766@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230320145449.336983711@linuxfoundation.org> References: <20230320145449.336983711@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christian Hewitt [ Upstream commit 5c8cf1664f288098a971a1d1e65716a2b6a279e1 ] Playing media with a resolution smaller than the crtc size requires the video overlay to be scaled for output and GXM boards display a 1px pink line on the bottom of the scaled overlay. Comparing with the downstream vendor driver revealed VPP_DUMMY_DATA not being set [0]. Setting VPP_DUMMY_DATA prevents the 1px pink line from being seen. [0] https://github.com/endlessm/linux-s905x/blob/master/drivers/amlogic/amports/video.c#L7869 Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller") Suggested-by: Martin Blumenstingl Signed-off-by: Christian Hewitt Acked-by: Martin Blumenstingl Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20230303123312.155164-1-christianshewitt@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/meson/meson_vpp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/meson/meson_vpp.c b/drivers/gpu/drm/meson/meson_vpp.c index 154837688ab0d..5df1957c8e41f 100644 --- a/drivers/gpu/drm/meson/meson_vpp.c +++ b/drivers/gpu/drm/meson/meson_vpp.c @@ -100,6 +100,8 @@ void meson_vpp_init(struct meson_drm *priv) priv->io_base + _REG(VPP_DOLBY_CTRL)); writel_relaxed(0x1020080, priv->io_base + _REG(VPP_DUMMY_DATA1)); + writel_relaxed(0x42020, + priv->io_base + _REG(VPP_DUMMY_DATA)); } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) writel_relaxed(0xf, priv->io_base + _REG(DOLBY_PATH_CTRL)); -- 2.39.2