From nobody Thu Apr 2 19:56:26 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 ABA95C6FA82 for ; Wed, 21 Sep 2022 15:47:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231484AbiIUPrA (ORCPT ); Wed, 21 Sep 2022 11:47:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231285AbiIUPqr (ORCPT ); Wed, 21 Sep 2022 11:46:47 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F261D83045; Wed, 21 Sep 2022 08:46:41 -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 94FDFB81D87; Wed, 21 Sep 2022 15:46:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DCF20C433D7; Wed, 21 Sep 2022 15:46:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1663775199; bh=6Cceott/YXODbjHwpzVuoUWmAECTmhrg0aAWRMZUg3U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hXL4irKtoyTCJBirKhLGAjc3+XlqYdWrPe9P0GzOLX7N9Sb7Rk4pzDki1r1uthikf AMZIobGeuFRfHdBDBTOlWA7mFnueN4BSsN+I3cxeh84sMqy9QygR8C66zsu77NpKCV G9jaQzSEvHNyu3dSTdnGeTxARDQ+RQ6X4I1U7JJw= 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 5.19 12/38] drm/meson: Correct OSD1 global alpha value Date: Wed, 21 Sep 2022 17:45:56 +0200 Message-Id: <20220921153646.683296415@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220921153646.298361220@linuxfoundation.org> References: <20220921153646.298361220@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 8640a8a8a469..44aa52629443 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -168,7 +168,7 @@ 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 priv->viu.osd1_ctrl_stat2 =3D readl(priv->io_base + --=20 2.35.1