From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C6F73D3BD; Mon, 22 Jan 2024 15:15:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705936540; cv=none; b=AoD5nQeuUfk6nbW4RSUvKAqNgL9KujGRQQ2vEBSURImjPaE7YPq7folOeUT3yCMDZFec6YdvvMhj7dKB+v7e4i9AQQtcWEWSkpf5VnmykYBy1bIKS/caKeCd9k/rhar36G6iVRr3DtZYD6xc+H+BU+TvKtNuCrVxTXpNthnHeQQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705936540; c=relaxed/simple; bh=EFenuZeTfK4htTwIGJoDpBTqQUk9QC/xPh9GsknP7mo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZCRay/5vFSVt4C605ewBEcSrdty6JpxGtybvnjBx2fCOQgOLlnDVhGlDNMcGMfdj3depKzz1Gjgp7s9hlY/AiFbgoVbZ6AUCM2T7lfSDU0Wmg8eqT7oGZDDdSgbgE9NO1Qb8+vtn1z47qsIdEggoF6w0IsMFeEul6SgMdNX61O0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kK3HR8ov; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kK3HR8ov" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96B9BC433C7; Mon, 22 Jan 2024 15:15:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705936540; bh=EFenuZeTfK4htTwIGJoDpBTqQUk9QC/xPh9GsknP7mo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kK3HR8ovikzmiCl+OGQPgnX+Kh43K8j1ziqdt9S6p6RQGyjNPGYH5yTYTRqTLavyO lKPFomQ9j6KlMlx/jRN3440NCpOOKOxtJQijw7VYxWC2r7o1y5zrUC9ypjtFcsHsQk 1vhEWD+g5ugg/pWxg/ifMuRvv7+0D9PPJlYbRdQ2sRFVeYKfqLTH5k6VG0xmP41FKy GEvXSw3OXTgkiCcMVteMfbjvucB+/EZGDE8BGFDCAY0oVRZswYTgB/DfMIQJKqPJJn +9bmgw967RJMdglS1Q3IkrZc5VpHfPmz85w9NEBnPW2+gAO1dpgq7UzAo7rVi92SRd suvQkdB+O4OUA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Meenakshikumar Somasundaram , Nicholas Kazlauskas , Hamza Mahfooz , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, jun.lei@amd.com, Qingqing.Zhuo@amd.com, wenjing.liu@amd.com, alvin.lee2@amd.com, samson.tam@amd.com, aric.cyr@amd.com, dillon.varone@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.10 07/28] drm/amd/display: Fix tiled display misalignment Date: Mon, 22 Jan 2024 10:14:33 -0500 Message-ID: <20240122151521.996443-7-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122151521.996443-1-sashal@kernel.org> References: <20240122151521.996443-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.10.208 Content-Transfer-Encoding: 8bit From: Meenakshikumar Somasundaram [ Upstream commit c4b8394e76adba4f50a3c2696c75b214a291e24a ] [Why] When otg workaround is applied during clock update, otgs of tiled display went out of sync. [How] To call dc_trigger_sync() after clock update to sync otgs again. Reviewed-by: Nicholas Kazlauskas Acked-by: Hamza Mahfooz Signed-off-by: Meenakshikumar Somasundaram Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 36a9e9c84ed4..272252cd0500 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1440,6 +1440,10 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c wait_for_no_pipes_pending(dc, context); /* pplib is notified if disp_num changed */ dc->hwss.optimize_bandwidth(dc, context); + /* Need to do otg sync again as otg could be out of sync due to otg + * workaround applied during clock update + */ + dc_trigger_sync(dc, context); } context->stream_mask = get_stream_mask(dc, context); -- 2.43.0