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Received: from MI9PR04MB350878.eurprd04.prod.outlook.com (2603:10a6:290:c0::7) by PA1PR04MB11454.eurprd04.prod.outlook.com (2603:10a6:102:4ef::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.360.13; Fri, 4 Sep 2026 08:47:51 +0000 Received: from MI9PR04MB350878.eurprd04.prod.outlook.com ([fe80::8537:1cdd:6c49:6151]) by MI9PR04MB350878.eurprd04.prod.outlook.com ([fe80::8537:1cdd:6c49:6151%6]) with mapi id 15.21.0360.008; Fri, 4 Sep 2026 08:47:51 +0000 Date: Fri, 4 Sep 2026 16:49:19 +0800 From: Liu Ying To: Maxime Ripard Cc: Francesco Dolcini , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, p.zabel@pengutronix.de, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, tglx@linutronix.de, vkoul@kernel.org, kishon@kernel.org, Frank.Li@nxp.com, lumag@kernel.org, aisheng.dong@nxp.com, agx@sigxcpu.org, u.kleine-koenig@baylibre.com, marek.vasut@mailbox.org Subject: Re: [PATCH v9 00/19] Add Freescale i.MX8qxp Display Controller support Message-ID: References: <20250414035028.1561475-1-victor.liu@nxp.com> <20260714193627.GA9616@francesco-nb> <20260716062612.GC9973@francesco-nb> Content-Type: text/plain; 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"DPU" is only mentioned in the SoC block > > > > > > > > diagram and represents the whole display subsystem which includes the display > > > > > > > > controller and prefech engines, etc. > > > > > > > > > > > > > > > > With an additional patch[1] for simple-pm-bus.c, this series facilitates > > > > > > > > testing a LVDS panel on i.MX8qxp MEK. > > > > > > > > > > > > > > > > Please do NOT merge patch 14-19. They are only used to facilitate testing > > > > > > > > the LVDS panel. > > > > > > > > > > > > > > What's the plan to conclude this work? What's the latest status? > > > > > > > I am looking forward to have a way to use the i.MX8QXP display with > > > > > > > mainline, but to my understanding some required changes on the SOC dtsi > > > > > > > are not merged. > > > > > > > > > > > > > > Can you help? > > > > > > > > > > > > I planned to add display controller DT node after prefetch engine support [1] > > > > > > is picked up so that the prefetch engine could be enabled together with the > > > > > > display controller. Just want to avoid a DT that only enables the display > > > > > > controller or bypasses the prefetch engine. It makes the display controller > > > > > > driver simpler. > > > > > > > > > > > > [1] https://lore.kernel.org/all/20251027-imx8-dc-prefetch-v5-0-4ecb6c6d4941@nxp.com/ > > > > > > > > > > That series is from October 2025, is there anything blocking to move it > > > > > forward? > > > > > > > > It lacks a Reviewed-by tag(at least a Acked-by tag) from a drm-misc committer > > > > for every driver patch in that series. Also, it seems that Marek(Cc'ed) is > > > > not a big fan of [1](See i.MX95 display support discussion[2]). > > > > > > I was just pointed at this series, and I'm not sure why it's blocked. It > > > looks like you were waiting for a Reviewed-by by a drm-misc maintainer, > > > but I gave mine already and I'm a drm-misc maintainer, sooo... :) > > > > Your Reviewed-by tags were on the initial i.MX8qxp Display Controller driver > > patches. And, those patches have already landed. > > > > Now, I'm waiting for Acked-by or Reviewed-by tags on those driver patches > > which add i.MX8qxp Display Controller *prefetch engines* support. > > 'b4 trailers -u' doesn't include any Reviewed-by from you on those patches... > > I sent v6 prefetch engine patch series[1] just now. > > It would be great to have your Acked-by or Reviewed-by tags on those driver > > patches :) > > It looks like you had a reviewed-by by someone on all these patches > already, so you could have merged them. Oh, okay. I *thought* one merge criteria is at least one Acked-by from a drm-misc committer on each driver patch by reading the guildlines[1]. But now I've got the idea. Thanks. [1] https://drm.pages.freedesktop.org/maintainer-tools/committer/committer-drm-misc.html > > I do have comments on the series though, see them on your latest > version. Thanks. > > Maxime > -- > linux-phy mailing list > linux-phy@lists.infradead.org > https://lists.infradead.org/mailman/listinfo/linux-phy -- Regards, Liu Ying