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 8FEBAEA4FB7 for ; Mon, 23 Feb 2026 12:38:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2E79710E387; Mon, 23 Feb 2026 12:38:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="DC39kg3T"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 810AC10E387; Mon, 23 Feb 2026 12:38:09 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6971440231; Mon, 23 Feb 2026 12:38:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5E5EC2BC86; Mon, 23 Feb 2026 12:38:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771850289; bh=piEMGXZwt8wLWfoaik1WxIGNNWEo8qL2QNNyNKrGrEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DC39kg3To/G/iH8uBAviqkTV5NDtM+9k3vUOe5XbEO7nKBRk2Vt6FbmB6G4jg30cl Y8/8e3KdlovKP8RSEeKqbqid68NFUm0lQiDZmcy9KvelXxA5IZvQnfBhgIhw/92IuR 6jh2WwfU9PT4OJG9G1T2Zoq9z9918+0OIsrGmPnD+rElRLC3malUYUiNh/38BPUuKz THFmIGwGz3fnm2WPD7j8Ady3/7zJWGbV+lOOIU5gsJAb4qfFdUFa7MJsKYyiNn3PU0 WYrAG4MAhXyvCG4jaDUaQw1qte1WbzJOBadT0jNob1P1LG1ZDm0d2KL1syAbZt3wR0 rQJXHb1dGA1rw== From: Sasha Levin To: patches@lists.linux.dev, stable@vger.kernel.org Cc: YiLing Chen , Nicholas Kazlauskas , Tom Chung , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH AUTOSEL 6.19] drm/amd/display: set enable_legacy_fast_update to false for DCN36 Date: Mon, 23 Feb 2026 07:37:25 -0500 Message-ID: <20260223123738.1532940-20-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260223123738.1532940-1-sashal@kernel.org> References: <20260223123738.1532940-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.19.3 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: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: YiLing Chen [ Upstream commit d0728aee5090853d0b9982757f5fb1b13e2e2b27 ] [Why/How] Align the default value of the flag with DCN35/351. Reviewed-by: Nicholas Kazlauskas Signed-off-by: YiLing Chen Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- LLM Generated explanations, may be completely bogus: The background task completed but doesn't change my analysis. My decision stands - this is a valid one-line bug fix for user-visible display stuttering on DCN36 hardware. **YES** drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c index 6469d5fe2e6d4..a1132102afde4 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c @@ -769,7 +769,7 @@ static const struct dc_debug_options debug_defaults_drv = { }; static const struct dc_check_config config_defaults = { - .enable_legacy_fast_update = true, + .enable_legacy_fast_update = false, }; static const struct dc_panel_config panel_config_defaults = { -- 2.51.0