From: Pavel Machek <pavel@denx.de>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Chen-Yu Tsai <wenst@chromium.org>, CK Hu <ck.hu@mediatek.com>,
Alexandre Mergnat <amergnat@baylibre.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch,
matthias.bgg@gmail.com, dri-devel@lists.freedesktop.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH AUTOSEL 6.1 18/22] drm/mediatek: dp: Change logging to dev for mtk_dp_aux_transfer()
Date: Mon, 11 Sep 2023 11:53:43 +0200 [thread overview]
Message-ID: <ZP7jp1UDgJMqJzO4@duo.ucw.cz> (raw)
In-Reply-To: <20230908193407.3463368-18-sashal@kernel.org>
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Hi!
> From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>
> [ Upstream commit fd70e2019bfbcb0ed90c5e23839bf510ce6acf8f ]
>
> Change logging from drm_{err,info}() to dev_{err,info}() in functions
> mtk_dp_aux_transfer() and mtk_dp_aux_do_transfer(): this will be
> essential to avoid getting NULL pointer kernel panics if any kind
> of error happens during AUX transfers happening before the bridge
> is attached.
>
> This may potentially start happening in a later commit implementing
> aux-bus support, as AUX transfers will be triggered from the panel
> driver (for EDID) before the mtk-dp bridge gets attached, and it's
> done in preparation for the same.
This is preparation for patches we are not going to apply to
stable. Please drop.
BR,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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next prev parent reply other threads:[~2023-09-11 22:06 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 19:33 [PATCH AUTOSEL 6.1 01/22] drm/bridge: tc358762: Instruct DSI host to generate HSE packets Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 02/22] drm/edid: Add quirk for OSVR HDK 2.0 Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 03/22] arm64: dts: qcom: sm6125-pdx201: correct ramoops pmsg-size Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 04/22] arm64: dts: qcom: sm6350: " Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 05/22] arm64: dts: qcom: sm8150-kumano: " Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 06/22] arm64: dts: qcom: sm8250-edo: " Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 07/22] samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000' Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 08/22] drm/amd/display: Read down-spread percentage from lut to adjust dprefclk Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 09/22] drm/amd/display: Fix underflow issue on 175hz timing Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 10/22] drm/vkms: Fix race-condition between the hrtimer and the atomic commit Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 11/22] ASoC: SOF: topology: simplify code to prevent static analysis warnings Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 12/22] ASoC: Intel: sof_sdw: Update BT offload config for soundwire config Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 13/22] ALSA: hda: intel-dsp-cfg: add LunarLake support Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 14/22] drm/amd/display: Use DTBCLK as refclk instead of DPREFCLK Sasha Levin
2023-09-08 19:33 ` [PATCH AUTOSEL 6.1 15/22] drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN31 Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 16/22] drm/amd/display: Blocking invalid 420 modes on HDMI TMDS for DCN314 Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 17/22] drm/exynos: fix a possible null-pointer dereference due to data race in exynos_drm_crtc_atomic_disable() Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 18/22] drm/mediatek: dp: Change logging to dev for mtk_dp_aux_transfer() Sasha Levin
2023-09-11 9:53 ` Pavel Machek [this message]
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 19/22] bus: ti-sysc: Configure uart quirks for k3 SoC Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 20/22] block: Allow bio_iov_iter_get_pages() with bio->bi_bdev unset Sasha Levin
2023-09-11 9:54 ` Pavel Machek
2023-09-11 13:15 ` Jens Axboe
2023-09-18 20:57 ` Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 21/22] md: raid1: fix potential OOB in raid1_remove_disk() Sasha Levin
2023-09-08 19:34 ` [PATCH AUTOSEL 6.1 22/22] ext2: fix datatype of block number in ext2_xattr_set2() Sasha Levin
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