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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 086CEC47DDB for ; Mon, 22 Jan 2024 15:05:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 747E910F2F6; Mon, 22 Jan 2024 15:05:08 +0000 (UTC) Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id 92C0610F308; Mon, 22 Jan 2024 15:05:06 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 54C2CCE2B1D; Mon, 22 Jan 2024 15:05:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D17AC433A6; Mon, 22 Jan 2024 15:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705935903; bh=iaT24gQu/lVRaUWt2L5gkzTasQU7clUVTSvmMWdxIu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XtcL7bwma4gmgpQlgENtJnDlTdPdr8JuBEnFTjm1N9yynOR/c3E2JMY9RGnt9w1EG 8bQgpeZqBrRCB9xZUjU5ErodZoPRnG6K5nTsSYlUaxFKz8YKOhVNViptXerZ6bOg40 nCv70zFGay9UMxnyA83uzfEP8SKmemcZttgseVq1gyXQxKmkqE9xBlWLXADzcJP4Je QD1iv8wSSeTST0BrQE91DG98caAQF1MsnM9WaYjvNRzukXoTfX2oUN5I2j6BAkZv6r ueAc1MLWnICCABOWxyCuMGYcUQeKVdWcvmkwlYcDVdMgXqO3hothv0xp+V/ctIxYPB eFNwtXtQErsBQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 11/73] drm/amd/display: Fix tiled display misalignment Date: Mon, 22 Jan 2024 10:01:25 -0500 Message-ID: <20240122150432.992458-11-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122150432.992458-1-sashal@kernel.org> References: <20240122150432.992458-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.13 Content-Transfer-Encoding: 8bit X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , aric.cyr@amd.com, dillon.varone@amd.com, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, sunpeng.li@amd.com, airlied@gmail.com, Qingqing.Zhuo@amd.com, Xinhui.Pan@amd.com, Rodrigo.Siqueira@amd.com, samson.tam@amd.com, christian.koenig@amd.com, Meenakshikumar Somasundaram , wenjing.liu@amd.com, Hamza Mahfooz , daniel@ffwll.ch, Alex Deucher , jun.lei@amd.com, harry.wentland@amd.com, Nicholas Kazlauskas , alvin.lee2@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" 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 a1be93f6385c..39b414774a1f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1948,6 +1948,10 @@ 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); } if (dc->hwss.update_dsc_pg) -- 2.43.0