From: Eugeniu Rosca <erosca@de.adit-jv.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Jacopo Mondi <jacopo@jmondi.org>,
Eugeniu Rosca <erosca@de.adit-jv.com>,
Jacopo Mondi <jacopo+renesas@jmondi.org>,
<kieran.bingham+renesas@ideasonboard.com>, <geert@linux-m68k.org>,
<horms@verge.net.au>, <uli+renesas@fpond.eu>,
<VenkataRajesh.Kalakodima@in.bosch.com>, <airlied@linux.ie>,
<daniel@ffwll.ch>, <koji.matsuoka.xm@renesas.com>,
<muroya@ksk.co.jp>, <Harsha.ManjulaMallikarjun@in.bosch.com>,
<ezequiel@collabora.com>, <seanpaul@chromium.org>,
<linux-renesas-soc@vger.kernel.org>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
<michael.dege@renesas.com>, <gotthard.voellmeke@renesas.com>,
<efriedrich@de.adit-jv.com>, <mrodin@de.adit-jv.com>,
<ChaitanyaKumar.Borah@in.bosch.com>,
Eugeniu Rosca <roscaeugeniu@gmail.com>
Subject: Re: [PATCH v5 0/8] drm: rcar-du: Add Color Management Module (CMM)
Date: Tue, 9 Jun 2020 16:29:59 +0200 [thread overview]
Message-ID: <20200609142959.GA621@lxhi-065.adit-jv.com> (raw)
In-Reply-To: <20200607024158.GD7339@pendragon.ideasonboard.com>
Hi Laurent,
On Sun, Jun 07, 2020 at 05:41:58AM +0300, Laurent Pinchart wrote:
> Note that the CMM driver is controlled by the DU driver. As the DU
> driver will reenable the display during resume, it will call
> rcar_du_cmm_setup() at resume time, which will reprogram the CMM. There
> should thus be no need for manual suspend/resume handling in the CMM as
> far as I can tell, but we need to ensure that the CMM is suspended
> before and resumed after the DU. I believe this could be implemented
> using device links.
Based on below quote [*] from Jacopo's commit [**], isn't the device
link relationship already in place?
[*] Quote from commit [**]
Enforce the probe and suspend/resume ordering of DU and CMM by
creating a stateless device link between the two.
[**] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8de707aeb45241
("drm: rcar-du: kms: Initialize CMM instances")
--
Best regards,
Eugeniu Rosca
next prev parent reply other threads:[~2020-06-09 14:30 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 10:46 [PATCH v5 0/8] drm: rcar-du: Add Color Management Module (CMM) Jacopo Mondi
2019-10-15 10:46 ` [PATCH v5 1/8] dt-bindings: display: renesas,cmm: Add R-Car CMM documentation Jacopo Mondi
2019-10-15 11:38 ` Kieran Bingham
2019-10-15 14:03 ` Geert Uytterhoeven
2019-10-15 10:46 ` [PATCH v5 2/8] dt-bindings: display, renesas,du: Document cmms property Jacopo Mondi
2019-10-15 10:46 ` [PATCH v5 3/8] drm: rcar-du: Add support for CMM Jacopo Mondi
2019-10-15 11:53 ` Kieran Bingham
2019-10-15 13:17 ` Kieran Bingham
2019-10-15 13:33 ` Jacopo Mondi
2019-10-15 14:26 ` Kieran Bingham
2019-10-15 17:25 ` Laurent Pinchart
2019-10-15 10:46 ` [PATCH v5 4/8] drm: rcar-du: kms: Initialize CMM instances Jacopo Mondi
2019-10-15 10:46 ` [PATCH v5 5/8] drm: rcar-du: crtc: Control CMM operations Jacopo Mondi
2019-10-15 13:15 ` Kieran Bingham
2019-10-15 13:37 ` Jacopo Mondi
2019-10-15 17:54 ` Laurent Pinchart
2019-10-15 19:17 ` Jacopo Mondi
2019-10-15 19:53 ` Laurent Pinchart
2019-10-15 10:46 ` [PATCH v5 6/8] drm: rcar-du: crtc: Register GAMMA_LUT properties Jacopo Mondi
2019-10-15 10:46 ` [PATCH v5 7/8] arm64: dts: renesas: Add CMM units to Gen3 SoCs Jacopo Mondi
2019-10-15 12:52 ` Kieran Bingham
2019-10-15 18:06 ` Laurent Pinchart
2019-10-15 10:46 ` [PATCH v5 8/8] drm: rcar-du: kms: Expand comment in vsps parsing routine Jacopo Mondi
2019-10-15 13:04 ` Kieran Bingham
2019-10-15 16:54 ` [PATCH v5 0/8] drm: rcar-du: Add Color Management Module (CMM) Laurent Pinchart
2019-11-11 11:21 ` Kalakodima Venkata Rajesh (RBEI/ECF3)
2019-11-11 13:06 ` Jacopo Mondi
2020-05-27 7:15 ` Eugeniu Rosca
2020-05-27 7:34 ` Geert Uytterhoeven
2020-05-27 7:40 ` Gotthard Voellmeke
2020-05-27 7:44 ` Eugeniu Rosca
2020-06-05 13:29 ` Jacopo Mondi
2020-06-05 13:41 ` Eugeniu Rosca
2020-06-05 13:53 ` Jacopo Mondi
2020-06-07 2:41 ` Laurent Pinchart
2020-06-08 9:44 ` Eugeniu Rosca
2020-06-12 15:12 ` Jacopo Mondi
2020-06-15 14:17 ` Eugeniu Rosca
2020-07-17 15:06 ` Jacopo Mondi
2020-06-09 14:29 ` Eugeniu Rosca [this message]
2020-06-12 15:00 ` Jacopo Mondi
2020-06-12 15:10 ` Laurent Pinchart
2020-06-12 15:36 ` Eugeniu Rosca
2020-06-12 15:50 ` Laurent Pinchart
2020-08-18 9:50 ` Geert Uytterhoeven
2020-06-05 19:05 ` Laurent Pinchart
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