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 46D9A1E8836; Mon, 18 Aug 2025 13:56:18 +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=1755525379; cv=none; b=Y8dYLvc2fExHD3flWa9vm3+MXuav6Dx0hB9R7wT0spKPmPofKo8pkHiji6m60AjmTzNZfYm7LeaTeG2b8kLzip3R+WWLgOd+A/WnMysvW5++taDfDZ1EkVihRPrbmMH3syDFTaLnfR2+lejjgtQY8wFhljSOtWDgCNMsdFHzu5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755525379; c=relaxed/simple; bh=vp4/3FEQfUUymALL8XAtQhmEwbpeUjkOdXk8RUQrEaU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bI1uRyApGHrmvbFDsxw5h1M/BTDsLV/1Do22aY7Ppme4aMwpGOmLqT0vrEOSJEQSHDpFuBsLoMjEhW9hFn1r3PVSUFbAuWCQ5Rlo9XoGECTKBsJePIXo/6da5j+vJlAOFiJLClgL7awnn/bOQg4fmq/FanTbZwus0tcwWRYYd0g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=O3/oSfQF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="O3/oSfQF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BCD3C4CEF1; Mon, 18 Aug 2025 13:56:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755525378; bh=vp4/3FEQfUUymALL8XAtQhmEwbpeUjkOdXk8RUQrEaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O3/oSfQF1zRZRpuCt8SIuTZPyQjj4lRaac0hZ9hkUrV+9cOOrYopXktUl1yfXiGss NPgxsc73pJymQqvhMqSUyYviQXBXdG6rPm7X+QvRdw56yaJE9EGwy2AUayJZI0fsSW Uygrf/cOfI01vnd2DQ51mLrjveErRPEYo0UjEh/k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Syed Hassan , Charlene Liu , Ivan Lipski , Alex Deucher , Sasha Levin Subject: [PATCH 6.16 237/570] drm/amd/display: limit clear_update_flags to dcn32 and above Date: Mon, 18 Aug 2025 14:43:44 +0200 Message-ID: <20250818124514.954341918@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250818124505.781598737@linuxfoundation.org> References: <20250818124505.781598737@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Charlene Liu [ Upstream commit f354556e29f40ef44fa8b13dc914817db3537e20 ] [why] dc has some code out of sync: dc_commit_updates_for_stream handles v1/v2/v3, but dc_update_planes_and_stream makes v1 asic to use v2. as a reression fix: limit clear_update_flags to dcn32 or newer asic. need to follow up that v1 asic using v2 issue. Reviewed-by: Syed Hassan Signed-off-by: Charlene Liu Signed-off-by: Ivan Lipski Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index b34b5b52236d..3dd7e2b6d530 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -5439,8 +5439,7 @@ bool dc_update_planes_and_stream(struct dc *dc, else ret = update_planes_and_stream_v2(dc, srf_updates, surface_count, stream, stream_update); - - if (ret) + if (ret && dc->ctx->dce_version >= DCN_VERSION_3_2) clear_update_flags(srf_updates, surface_count, stream); return ret; @@ -5471,7 +5470,7 @@ void dc_commit_updates_for_stream(struct dc *dc, ret = update_planes_and_stream_v1(dc, srf_updates, surface_count, stream, stream_update, state); - if (ret) + if (ret && dc->ctx->dce_version >= DCN_VERSION_3_2) clear_update_flags(srf_updates, surface_count, stream); } -- 2.39.5