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From: Boris Brezillon <boris.brezillon@collabora.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org,
	Lucas Stach <l.stach@pengutronix.de>,
	Chris Healy <cphealy@gmail.com>,
	Andrey Smirnov <andrew.smirnov@gmail.com>,
	Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
	kernel@collabora.com, Daniel Vetter <daniel@ffwll.ch>,
	Inki Dae <inki.dae@samsung.com>,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	Seung-Woo Kim <sw0312.kim@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Clark <robdclark@gmail.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Eric Anholt <eric@anholt.net>
Subject: Re: [PATCH v4 00/11] drm: Add support for bus-format negotiation
Date: Mon, 9 Dec 2019 10:43:28 +0100	[thread overview]
Message-ID: <20191209104328.7eeb707a@collabora.com> (raw)
In-Reply-To: <20191203181924.GU4730@pendragon.ideasonboard.com>

On Tue, 3 Dec 2019 20:19:24 +0200
Laurent Pinchart <laurent.pinchart@ideasonboard.com> wrote:

> Hi Boris,
> 
> On Tue, Dec 03, 2019 at 03:15:04PM +0100, Boris Brezillon wrote:
> > This patch series aims at adding support for runtime bus-format
> > negotiation between all elements of the
> > 'encoder -> bridges -> connector/display' section of the pipeline.
> > 
> > In order to support that, we need drm bridges to fully take part in the
> > atomic state validation process, which requires adding a
> > drm_bridge_state and a new drm_bridge_funcs.atomic_check() hook.
> > Once those basic building blocks are in place, we can add new hooks to
> > allow bus format negotiation (those are called just before  
> > ->atomic_check()). The bus format selection is done at runtime by  
> > testing all possible combinations across the whole bridge chain until
> > one is reported to work.
> > 
> > No Major changes in this v4. I think I addressed all comments I got
> > from Neil and Laurent (thanks for the detailed reviews BTW). Note that
> > this version only contains core changes. Once those changes are merged
> > I'll send the imx/panel/lvds-codec specific bits.  
> 
> I think it would make sense to fast-track patches 01 to 07 (a bit
> selfishly as I would have a need for them in omapdrm :-)),

I just queued patches 1 to 7 to drm-misc-next.

WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@collabora.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	dri-devel@lists.freedesktop.org,
	Thierry Reding <thierry.reding@gmail.com>,
	kernel@collabora.com, Sam Ravnborg <sam@ravnborg.org>,
	Nikita Yushchenko <nikita.yoush@cogentembedded.com>,
	Andrey Smirnov <andrew.smirnov@gmail.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Chris Healy <cphealy@gmail.com>, Jonas Karlman <jonas@kwiboo.se>,
	Rob Herring <robh+dt@kernel.org>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Seung-Woo Kim <sw0312.kim@samsung.com>
Subject: Re: [PATCH v4 00/11] drm: Add support for bus-format negotiation
Date: Mon, 9 Dec 2019 10:43:28 +0100	[thread overview]
Message-ID: <20191209104328.7eeb707a@collabora.com> (raw)
In-Reply-To: <20191203181924.GU4730@pendragon.ideasonboard.com>

On Tue, 3 Dec 2019 20:19:24 +0200
Laurent Pinchart <laurent.pinchart@ideasonboard.com> wrote:

> Hi Boris,
> 
> On Tue, Dec 03, 2019 at 03:15:04PM +0100, Boris Brezillon wrote:
> > This patch series aims at adding support for runtime bus-format
> > negotiation between all elements of the
> > 'encoder -> bridges -> connector/display' section of the pipeline.
> > 
> > In order to support that, we need drm bridges to fully take part in the
> > atomic state validation process, which requires adding a
> > drm_bridge_state and a new drm_bridge_funcs.atomic_check() hook.
> > Once those basic building blocks are in place, we can add new hooks to
> > allow bus format negotiation (those are called just before  
> > ->atomic_check()). The bus format selection is done at runtime by  
> > testing all possible combinations across the whole bridge chain until
> > one is reported to work.
> > 
> > No Major changes in this v4. I think I addressed all comments I got
> > from Neil and Laurent (thanks for the detailed reviews BTW). Note that
> > this version only contains core changes. Once those changes are merged
> > I'll send the imx/panel/lvds-codec specific bits.  
> 
> I think it would make sense to fast-track patches 01 to 07 (a bit
> selfishly as I would have a need for them in omapdrm :-)),

I just queued patches 1 to 7 to drm-misc-next.
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  parent reply	other threads:[~2019-12-09  9:43 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03 14:15 [PATCH v4 00/11] drm: Add support for bus-format negotiation Boris Brezillon
2019-12-03 14:15 ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 01/11] drm/bridge: Rename bridge helpers targeting a bridge chain Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 02/11] drm/bridge: Introduce drm_bridge_get_next_bridge() Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 03/11] drm: Stop accessing encoder->bridge directly Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 04/11] drm/bridge: Make the bridge chain a double-linked list Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-16 13:54   ` Marek Szyprowski
2019-12-16 13:54     ` Marek Szyprowski
2019-12-16 14:55     ` Boris Brezillon
2019-12-16 14:55       ` Boris Brezillon
2019-12-16 15:02       ` Marek Szyprowski
2019-12-16 15:02         ` Marek Szyprowski
2019-12-16 15:25         ` Boris Brezillon
2019-12-16 15:25           ` Boris Brezillon
2019-12-23  9:55           ` Marek Szyprowski
2019-12-23  9:55             ` Marek Szyprowski
2019-12-24  9:16             ` Andrzej Hajda
2019-12-24  9:16               ` Andrzej Hajda
2019-12-24  9:44               ` Boris Brezillon
2019-12-24  9:44                 ` Boris Brezillon
2019-12-24  9:49                 ` Boris Brezillon
2019-12-24  9:49                   ` Boris Brezillon
2019-12-24 10:03                   ` Boris Brezillon
2019-12-24 10:03                     ` Boris Brezillon
2019-12-27 10:25                     ` Marek Szyprowski
2019-12-27 10:25                       ` Marek Szyprowski
2019-12-27 11:03                       ` Marek Szyprowski
2019-12-27 11:03                         ` Marek Szyprowski
2019-12-24 11:31                 ` Sam Ravnborg
2019-12-24 11:31                   ` Sam Ravnborg
2019-12-25  1:36                   ` Laurent Pinchart
2019-12-25  1:36                     ` Laurent Pinchart
2019-12-27 12:39                   ` Boris Brezillon
2019-12-27 12:39                     ` Boris Brezillon
2019-12-27  9:42                 ` Andrzej Hajda
2019-12-27  9:42                   ` Andrzej Hajda
2019-12-27 10:51                   ` Laurent Pinchart
2019-12-27 10:51                     ` Laurent Pinchart
2019-12-27 12:21                     ` Boris Brezillon
2019-12-27 12:21                       ` Boris Brezillon
2020-01-01 17:13                       ` Laurent Pinchart
2020-01-01 17:13                         ` Laurent Pinchart
2019-12-03 14:15 ` [PATCH v4 05/11] drm/bridge: Add the drm_for_each_bridge_in_chain() helper Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 06/11] drm/bridge: Add the drm_bridge_get_prev_bridge() helper Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 07/11] drm/bridge: Clarify the atomic enable/disable hooks semantics Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 18:02   ` Laurent Pinchart
2019-12-03 18:02     ` Laurent Pinchart
2019-12-04  9:00     ` Boris Brezillon
2019-12-04  9:00       ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 08/11] drm/bridge: Add a drm_bridge_state object Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 18:17   ` Laurent Pinchart
2019-12-03 18:17     ` Laurent Pinchart
2019-12-04  9:03     ` Boris Brezillon
2019-12-04  9:03       ` Boris Brezillon
2019-12-04  9:12       ` Laurent Pinchart
2019-12-04  9:12         ` Laurent Pinchart
2019-12-04  9:42         ` Boris Brezillon
2019-12-04  9:42           ` Boris Brezillon
2019-12-04 10:38           ` Laurent Pinchart
2019-12-04 10:38             ` Laurent Pinchart
2019-12-03 14:15 ` [PATCH v4 09/11] drm/bridge: Patch atomic hooks to take a drm_bridge_state Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 10/11] drm/bridge: Add an ->atomic_check() hook Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 14:15 ` [PATCH v4 11/11] drm/bridge: Add the necessary bits to support bus format negotiation Boris Brezillon
2019-12-03 14:15   ` Boris Brezillon
2019-12-03 18:19 ` [PATCH v4 00/11] drm: Add support for bus-format negotiation Laurent Pinchart
2019-12-03 18:19   ` Laurent Pinchart
2019-12-04  9:09   ` Boris Brezillon
2019-12-04  9:09     ` Boris Brezillon
2019-12-04  9:15     ` Laurent Pinchart
2019-12-04  9:15       ` Laurent Pinchart
2019-12-04 13:43   ` Neil Armstrong
2019-12-04 13:43     ` Neil Armstrong
2019-12-09  9:43   ` Boris Brezillon [this message]
2019-12-09  9:43     ` Boris Brezillon

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