From: Robert Foss <rfoss@kernel.org>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: "Heiko Stübner" <heiko@sntech.de>,
"Andy Yan" <andy.yan@rock-chips.com>,
"Sandy Huang" <hjc@rock-chips.com>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Inki Dae" <inki.dae@samsung.com>,
"Seung-Woo Kim" <sw0312.kim@samsung.com>,
"Kyungmin Park" <kyungmin.park@samsung.com>,
"Andrzej Hajda" <andrzej.hajda@intel.com>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
"Jonas Karlman" <jonas@kwiboo.se>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org,
dri-devel@lists.freedesktop.org, kernel@pengutronix.de,
patchwork-lst@pengutronix.de
Subject: Re: [PATCH 00/14] improve Analogix DP AUX channel handling
Date: Tue, 7 May 2024 15:10:52 +0200 [thread overview]
Message-ID: <CAN6tsi73ks50-Xg78Jpj6Me80hpaR0ww=RXOMKJoT2V6Zg8_Yg@mail.gmail.com> (raw)
In-Reply-To: <20240503151129.3901815-1-l.stach@pengutronix.de>
On Fri, May 3, 2024 at 5:12 PM Lucas Stach <l.stach@pengutronix.de> wrote:
>
> Currently the AUX channel support in the Analogix DP driver is severely
> limited as the AUX block of the bridge is only initialized when the video
> link is to be enabled. This is okay for the purposes of link training,
> but does not allow to detect displays by probing for EDID. This series
> reworks the driver to allow AUX transactions before the video link is
> active.
>
> As this requires to rework some of the controller initialization and
> also handling of both internal and external clocks, the series includes
> quite a few changes to add better runtime PM handling.
>
> Lucas Stach (14):
> drm/bridge: analogix_dp: remove unused platform power_on_end callback
> drm/rockchip: analogix_dp: add runtime PM handling
> drm/bridge: analogix_dp: register AUX bus after enabling runtime PM
> drm/bridge: analogix_dp: handle clock via runtime PM
> drm/bridge: analogix_dp: remove unused analogix_dp_remove
> drm/bridge: analogix_dp: remove clk handling from
> analogix_dp_set_bridge
> drm/bridge: analogix_dp: move platform and PHY power handling into
> runtime PM
> drm/bridge: analogix_dp: move basic controller init into runtime PM
> drm/bridge: analogix_dp: remove PLL lock check from
> analogix_dp_config_video
> drm/bridge: analogix_dp: move macro reset after link bandwidth setting
> drm/bridge: analogix_dp: don't wait for PLL lock too early
> drm/bridge: analogix_dp: simplify and correct PLL lock checks
> drm/bridge: analogix_dp: only read AUX status when an error occured
> drm/bridge: analogix_dp: handle AUX transfer timeouts
>
> .../drm/bridge/analogix/analogix_dp_core.c | 196 ++++++++----------
> .../drm/bridge/analogix/analogix_dp_core.h | 7 +-
> .../gpu/drm/bridge/analogix/analogix_dp_reg.c | 38 ++--
> .../gpu/drm/bridge/analogix/analogix_dp_reg.h | 9 +
> drivers/gpu/drm/exynos/exynos_dp.c | 5 +-
> .../gpu/drm/rockchip/analogix_dp-rockchip.c | 26 +--
> include/drm/bridge/analogix_dp.h | 4 +-
> 7 files changed, 120 insertions(+), 165 deletions(-)
>
> --
> 2.39.2
>
There are some checkpatch --strict warnings, and the patch 10/14 does
not apply. Other than that the series looks very good.
Maybe rebase on drm-misc/drm-misc-next, fix the applicable checkpatch
--strict warnings and send a new version of this series. Then the last
patches can be reviewed.
next prev parent reply other threads:[~2024-05-07 13:11 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-03 15:11 [PATCH 00/14] improve Analogix DP AUX channel handling Lucas Stach
2024-05-03 15:11 ` [PATCH 01/14] drm/bridge: analogix_dp: remove unused platform power_on_end callback Lucas Stach
2024-05-07 12:02 ` Robert Foss
2024-05-03 15:11 ` [PATCH 02/14] drm/rockchip: analogix_dp: add runtime PM handling Lucas Stach
2024-05-07 12:15 ` Robert Foss
2024-05-03 15:11 ` [PATCH 03/14] drm/bridge: analogix_dp: register AUX bus after enabling runtime PM Lucas Stach
2024-05-07 12:49 ` Robert Foss
2024-05-03 15:11 ` [PATCH 04/14] drm/bridge: analogix_dp: handle clock via " Lucas Stach
2024-05-07 12:57 ` Robert Foss
2024-05-03 15:11 ` [PATCH 05/14] drm/bridge: analogix_dp: remove unused analogix_dp_remove Lucas Stach
2024-05-07 12:58 ` Robert Foss
2024-05-03 15:11 ` [PATCH 06/14] drm/bridge: analogix_dp: remove clk handling from analogix_dp_set_bridge Lucas Stach
2024-05-07 13:00 ` Robert Foss
2024-05-03 15:11 ` [PATCH 07/14] drm/bridge: analogix_dp: move platform and PHY power handling into runtime PM Lucas Stach
2024-05-07 13:01 ` Robert Foss
2024-05-03 15:11 ` [PATCH 08/14] drm/bridge: analogix_dp: move basic controller init " Lucas Stach
2024-05-07 13:05 ` Robert Foss
2024-05-03 15:11 ` [PATCH 09/14] drm/bridge: analogix_dp: remove PLL lock check from analogix_dp_config_video Lucas Stach
2024-05-07 13:06 ` Robert Foss
2024-05-03 15:11 ` [PATCH 10/14] drm/bridge: analogix_dp: move macro reset after link bandwidth setting Lucas Stach
2024-05-07 13:07 ` Robert Foss
2024-05-03 15:11 ` [PATCH 11/14] drm/bridge: analogix_dp: don't wait for PLL lock too early Lucas Stach
2024-05-03 15:11 ` [PATCH 12/14] drm/bridge: analogix_dp: simplify and correct PLL lock checks Lucas Stach
2024-05-03 15:11 ` [PATCH 13/14] drm/bridge: analogix_dp: only read AUX status when an error occured Lucas Stach
2024-05-03 15:11 ` [PATCH 14/14] drm/bridge: analogix_dp: handle AUX transfer timeouts Lucas Stach
2024-05-07 13:10 ` Robert Foss [this message]
2024-05-15 10:31 ` [PATCH 00/14] improve Analogix DP AUX channel handling Lucas Stach
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