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 541EC256C84 for ; Mon, 9 Mar 2026 10:24:48 +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=1773051888; cv=none; b=J04c1PPAwhmmOFR0bPqk8JhynwdUksa0lF5wE/01y/2o5QWZUJkMSA22PTrFu4Qrc4KmafYjqF4MntQqHDHnqeTMa5eggAuf7HCfs6SZMsbmJPaaAKcz9WndeibyCfZ0pxP0m7Up081ucH1pasJPIKSYIsmLr6FOM2APEQHYOc0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773051888; c=relaxed/simple; bh=oZwebODijOHpaR0as197BwFGnInLzbl5HVRBSSwsv/Q=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=iBMliSj+nfozfbVhrebXfKWVxCwmfwT/Vczc84phyHibDd5JCCQlrjjKL8zos3h1GfkrZwJALTJuJ7dWclCLUsPeuArnm7My1PZKBfDtKqYPwjkgJe+PzjTP8Z2o4wZfHqZmKgEyHRscz+xDjikfgF8SE/PcX1/xPBpnYdFFPJQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=UF0tsH4l; 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="UF0tsH4l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9A35C4CEF7; Mon, 9 Mar 2026 10:24:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773051888; bh=oZwebODijOHpaR0as197BwFGnInLzbl5HVRBSSwsv/Q=; h=Subject:To:Cc:From:Date:From; b=UF0tsH4lZu002LzmV2OB4dw4XBu8ZVDSpIOgZvv7l3yU3e7beiaMOOnffZQuO/u9w W2QjUbLjXz6GS58wtZen/JrKsRb0BWutr8X0I4QFqOAXvllWQ8UO+O9nuSCilXYe3O N4NyMtuHo2XksR3sTlIbX7I/irEctcffkXHGDhDI= Subject: FAILED: patch "[PATCH] drm/amd/display: Use GFP_ATOMIC in dc_create_stream_for_sink" failed to apply to 6.19-stable tree To: natalie.vock@gmx.de,alexander.deucher@amd.com Cc: From: Date: Mon, 09 Mar 2026 11:24:45 +0100 Message-ID: <2026030945-dioxide-hypocrite-67ad@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 6.19-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-6.19.y git checkout FETCH_HEAD git cherry-pick -x 28dfe4317541e57fe52f9a290394cd29c348228b # git commit -s git send-email --to '' --in-reply-to '2026030945-dioxide-hypocrite-67ad@gregkh' --subject-prefix 'PATCH 6.19.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;