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 E66C438F225 for ; Mon, 9 Mar 2026 10:25:04 +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=1773051905; cv=none; b=tcVXxVtCq0rwpxcE2n2rcbmA9haDEcFMDgeJddpkh5LKfNUWhSgIKuVScuHM01sA031Z3+Xx6aAK2NH/gmLCtcmyvREiTqRlajv/e9IW0gOx/yDrCks7DomFg5nZbWUhK2uNIoFUrcwv1aJmrgaO1SFpUZ9gQwl7hR1PIM0cTvk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773051905; c=relaxed/simple; bh=H90y5IYa2ZtIXldf78JX/mxIzB1Pr6jvgY0J0xMbngM=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=EPGP3IIwJCAqh5JEMAhJSbmg3ZelOw5x3K4aAQh2f9ZAiHkWoT0edbi5yEKZbNveUBc49gApCfx5cASqeiUjWAI0nMF1z8Ug/n92v7sQHA9JnezzF7eVHcqeuQUbkJVae8mItrvdhLbrTM0l+ifpQzeQznYvknr+UzgfN31fnjs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DvbrTt+z; 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="DvbrTt+z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C569C4CEF7; Mon, 9 Mar 2026 10:25:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773051904; bh=H90y5IYa2ZtIXldf78JX/mxIzB1Pr6jvgY0J0xMbngM=; h=Subject:To:Cc:From:Date:From; b=DvbrTt+zn8+idFudv1s4KH+vUVwtZskdOwERol63TZLgGRYw29zEmdRcJvmHYLiuw SZQKhuNqQ8uGQ+pIimH9rthxhU52732F7gy0fJUktMWEZiKB44Hldmax2Jvi+DredQ WWam4gUYOdtrnjkNuo6e5IDWDuVFUr0jOmhU91Zw= Subject: FAILED: patch "[PATCH] drm/amd/display: Use GFP_ATOMIC in dc_create_stream_for_sink" failed to apply to 5.15-stable tree To: natalie.vock@gmx.de,alexander.deucher@amd.com Cc: From: Date: Mon, 09 Mar 2026 11:24:47 +0100 Message-ID: <2026030947-bonehead-dating-3f20@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 28dfe4317541e57fe52f9a290394cd29c348228b # git commit -s git send-email --to '' --in-reply-to '2026030947-bonehead-dating-3f20@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 28dfe4317541e57fe52f9a290394cd29c348228b Mon Sep 17 00:00:00 2001 From: Natalie Vock Date: Mon, 23 Feb 2026 12:45:37 +0100 Subject: [PATCH] drm/amd/display: Use GFP_ATOMIC in dc_create_stream_for_sink This can be called while preemption is disabled, for example by dcn32_internal_validate_bw which is called with the FPU active. Fixes "BUG: scheduling while atomic" messages I encounter on my Navi31 machine. Signed-off-by: Natalie Vock Signed-off-by: Alex Deucher (cherry picked from commit b42dae2ebc5c84a68de63ec4ffdfec49362d53f1) Cc: stable@vger.kernel.org diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 246893d80f1f..baf820e6eae8 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -170,11 +170,11 @@ struct dc_stream_state *dc_create_stream_for_sink( if (sink == NULL) goto fail; - stream = kzalloc_obj(struct dc_stream_state); + stream = kzalloc_obj(struct dc_stream_state, GFP_ATOMIC); if (stream == NULL) goto fail; - stream->update_scratch = kzalloc((int32_t) dc_update_scratch_space_size(), GFP_KERNEL); + stream->update_scratch = kzalloc((int32_t) dc_update_scratch_space_size(), GFP_ATOMIC); if (stream->update_scratch == NULL) goto fail;