From nobody Fri Dec 19 07:17:11 2025 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 E726FC32771 for ; Mon, 26 Sep 2022 10:22:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235129AbiIZKWq (ORCPT ); Mon, 26 Sep 2022 06:22:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235249AbiIZKVb (ORCPT ); Mon, 26 Sep 2022 06:21:31 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F1BF4B4A3; Mon, 26 Sep 2022 03:16:07 -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 A240FB8091E; Mon, 26 Sep 2022 10:16:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4D68C433D7; Mon, 26 Sep 2022 10:16:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1664187364; bh=oNBH8HAXn+y6fBbQmefAHGzvMjBfcArG+c+7kUIY7Gs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hVR0m5vMDU+LvDMFWATDf9FT9NdS2E03ylbMO2nmcICSY086oBNwOvlBFtwb9lJrE Acq79tP3Yij3BUmngmLjvTmahUqrSi2CJIm2Bf/js54D13RtfYpR+OGWQkub06RonT LdPucHwHbA0oSPo8LNQ4gP1hL+Lwdpxr/WYYnmf0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stuart Menefy , Neil Armstrong , Sasha Levin Subject: [PATCH 4.14 03/40] drm/meson: Correct OSD1 global alpha value Date: Mon, 26 Sep 2022 12:11:31 +0200 Message-Id: <20220926100738.338184163@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220926100738.148626940@linuxfoundation.org> References: <20220926100738.148626940@linuxfoundation.org> User-Agent: quilt/0.67 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" From: Stuart Menefy [ Upstream commit 6836829c8ea453c9e3e518e61539e35881c8ed5f ] VIU_OSD1_CTRL_STAT.GLOBAL_ALPHA is a 9 bit field, so the maximum value is 0x100 not 0xff. This matches the vendor kernel. Signed-off-by: Stuart Menefy Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller= ") Reviewed-by: Neil Armstrong Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20220908155103.686904-1= -stuart.menefy@mathembedded.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/meson/meson_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/me= son_plane.c index 85fa39e2be34..75132d0c5c28 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -105,7 +105,7 @@ static void meson_plane_atomic_update(struct drm_plane = *plane, =20 /* Enable OSD and BLK0, set max global alpha */ priv->viu.osd1_ctrl_stat =3D OSD_ENABLE | - (0xFF << OSD_GLOBAL_ALPHA_SHIFT) | + (0x100 << OSD_GLOBAL_ALPHA_SHIFT) | OSD_BLK0_ENABLE; =20 /* Set up BLK0 to point to the right canvas */ --=20 2.35.1