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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.

  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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