From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f49.google.com (mail-io1-f49.google.com [209.85.166.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30C072C86 for ; Thu, 18 Nov 2021 14:30:33 +0000 (UTC) Received: by mail-io1-f49.google.com with SMTP id k22so8081069iol.13 for ; Thu, 18 Nov 2021 06:30:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ndufresne-ca.20210112.gappssmtp.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=hiRvoAl76BYnHZhmewPGO1imETde+bCqsCzUTAkimwU=; b=MibVXDi2t5nOfj5LvS5sCAmzByLwOU27hOICdKLeVK3bpskOpVneXwCFOwLz0pqjEk +zN6sw4jwYehew/51Za6FMZQp4r1olU4Fi2ktQAuqLxG+bI787+vP5a/1I7gKQjzC7dr 4+ydzbVdG9aKZwPxr0M2RphqloPf/EqfVH2BMFTYQ5lxiMT080lC4dl/Lz5ILSPLK35X FgRBkQNPtpyBGsb4kQVwm4L85tBiAk9n+M0U10YHItKaB4Er/5JCAZKTsuGBwmNiAA3C redCy8YFxtQKFqvau5dlRpL/oMU+GIcHyXJNhjS1qr36Q08zIN7kyNp8UpAcRyzws8H3 kJuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=hiRvoAl76BYnHZhmewPGO1imETde+bCqsCzUTAkimwU=; b=MEJk1cuSSVGJtd/V+DFskZo7zkpAHCK0s+kGvRryBsgiZ5dQae2GyNs6sTSrIxR0pq JO6ouq15cBWLt/BVCakByxUKteQeDyCAW46obVP3evR/Gn530gkEXMnBKxpk+Z5kWlr5 dL86RocwmTmIAThWnxpYoRmaVg01uydq7tqAmnvK8yrOybSY1VagUUYznz80GDM/w/BL 8V5JoU/xvi+bTUicqVf4Scb50iVGOULTJjCY40ovG2PlAod9fdtLp1NWyer6+d9EskQR hYuSYRIoXWX7RKdn5JQyBW6Sq6JEc1OubdQcKw9ZpQ/5Dk1CQDJnwBj40PXsEKCry8Le zcaA== X-Gm-Message-State: AOAM5330xx8nG5bl6YBm7DV5Isecz99NuzzK7Rgb6BtOYH/D/J49K65e yTjDmgGsNMdtPh9g/vQ2UzipPw== X-Google-Smtp-Source: ABdhPJxQRXfBHP9KazmAAmrc5FZ8hGussJpkBuotRd4z+x/ycXUVmJUwGNrsgC+O/RHAFDQo9wil3g== X-Received: by 2002:a6b:d20f:: with SMTP id q15mr17367015iob.39.1637245832227; Thu, 18 Nov 2021 06:30:32 -0800 (PST) Received: from nicolas-tpx395.localdomain (mtl.collabora.ca. [66.171.169.34]) by smtp.gmail.com with ESMTPSA id l9sm2314166ilh.21.2021.11.18.06.30.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Nov 2021 06:30:31 -0800 (PST) Message-ID: Subject: Re: [RFC 0/5] arm64: imx8mm: Enable Hantro VPUs From: Nicolas Dufresne To: Tim Harvey , Adam Ford Cc: linux-media , Schrempf Frieder , Marek Vasut , Jagan Teki , Adam Ford-BE , cstevens@beaconembedded.com, Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Greg Kroah-Hartman , Heiko Stuebner , Lucas Stach , Joakim Zhang , Alice Guo , Peng Fan , "open list:HANTRO VPU CODEC DRIVER" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , open list , "open list:STAGING SUBSYSTEM" Date: Thu, 18 Nov 2021 09:30:28 -0500 In-Reply-To: References: <20211106183802.893285-1-aford173@gmail.com> <718f7f6d6cd564d031c1963f1590c62d549ae725.camel@ndufresne.ca> <8db00a4b6faa99c940d9bc86e17161eb0db5efe3.camel@ndufresne.ca> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.1 (3.42.1-1.fc35) Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Le mardi 16 novembre 2021 à 15:23 -0800, Tim Harvey a écrit : > On Tue, Nov 9, 2021 at 7:57 AM Nicolas Dufresne wrote: > > > > Le lundi 08 novembre 2021 à 10:33 -0600, Adam Ford a écrit : > > > On Mon, Nov 8, 2021 at 7:59 AM Nicolas Dufresne wrote: > > > > > > > > Hi Adam, > > > > > > > > thanks for you work, I'll try and reply about the GStreamer questions below, if > > > > you have further question feel free to ask. > > > > > > > > Le samedi 06 novembre 2021 à 13:37 -0500, Adam Ford a écrit : > > > > > The i.MX8M has two Hantro video decoders, called G1 and G2 which appear > > > > > to be related to the video decoders used on the i.MX8MQ, but because of > > > > > how the Mini handles the power domains, the VPU driver does not need to > > > > > handle all the functions, so a new compatible flag is required. > > > > > > > > > > This is an RFC because I don't have functional video on my system yet, > > > > > and I'm hoping there might be people who do and can help test this. > > > > > I have only tested this far enough to see they enumerate and appear > > > > > as /dev/videoX and /dev/mediaX devices. > > > > > > > > I will check the patchset, but you need in the mini-variant to disable the G1 > > > > post processor, because this block was fused out. We didn't make it optional > > > > > > Thanks for being willing to review this. > > > > > > > from the start as according to the V1 of the TRM it was there, but that error > > > > was corrected in V3. > > > > > > Thanks for the clarification. It wasn't obvious to me, because in > > > some instances the PP looked like it was there and sometimes not > > > there. I'll remove the postproc stuff. > > > > > > > > > > > > > > > > > I am also curious to know if/what gstreamer plugins are necessary. In > > > > > NXP's custom kernel, there are IMX-specific plugins, and I was hoping there > > > > > would be more generic plugins that I can use to test. I am hoping some > > > > > of the linux-media experts might chime in on how to best test. > > > > > > > > I will recommend using GStreamer 1.19.3 or main branch (GStreamer is now a > > > > single git repo). You will then be able to test Hantro G1 decoding of MPEG2, > > > > H264 and VP8. Remember that the related plugin depends on libgudev (a glib > > > > binding of udev). > > > > > > Thanks for the tip. > > > > > > > > > > > For the encoder, I believe only JPEG maybe supported, since this is all there is > > > > mainline for RK3288 (and perhaps other RK). But this will need testing and > > > > debugging as the G1 version is slightly newer on NXP SoC. > > > > > > For what it's worth the G1 seems to repond cleanly to the inquiries > > > from v42-compliance. > > > The G2 throws some splat when I run v4l2-compliance, but I am still > > > investigating that. > > > > > > [ 405.456979] ------------[ cut here ]------------ > > > [ 405.464173] WARNING: CPU: 0 PID: 563 at mm/page_alloc.c:5344 > > > __alloc_pages+0x5a4/0xbe0 > > > [ 405.472104] Modules linked in: 8021q garp mrp stp llc caam_jr > > > caamhash_desc caamalg_desc crypto_engine rng_core authenc libdes > > > imx7_media_csi(C) crct10dif_ce imx_media_common(C) > > > snd_soc_fsl_asoc_card imx7_mipi_csis(C) snd_soc_imx_audmux > > > snd_soc_simple_card_utils fsl_imx8_ddr_perf imx8m_ddrc brcmfmac > > > brcmutil hantro_vpu(C) v4l2_h264 v4l2_mem2mem videobuf2_vmalloc > > > videobuf2_dma_contig videobuf2_memops cfg80211 ov5640 videobuf2_v4l2 > > > v4l2_fwnode v4l2_async videobuf2_common videodev etnaviv gpu_sched > > > hci_uart mc btqca btbcm snd_soc_wm8962 at24 spi_imx rtc_pcf85363 > > > rtc_snvs clk_bd718x7 spi_bitbang snvs_pwrkey snd_soc_fsl_sai > > > imx_pcm_dma caam error bluetooth imx8mm_thermal ecdh_generic > > > imx_cpufreq_dt ecc rfkill fuse drm ipv6 > > > [ 405.535835] CPU: 0 PID: 563 Comm: v4l2-compliance Tainted: G D > > > C 5.15.0-next-20211105-00010-g4bb8e8a25d3c-dirty #28 > > > [ 405.547401] Hardware name: Beacon EmbeddedWorks i.MX8M Mini > > > Development Kit (DT) > > > [ 405.554797] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > > > [ 405.561762] pc : __alloc_pages+0x5a4/0xbe0 > > > [ 405.565861] lr : __dma_direct_alloc_pages+0x17c/0x1e0 > > > [ 405.570917] sp : ffff800012443810 > > > [ 405.574232] x29: ffff800012443810 x28: 0000000000000000 x27: ffff000005288220 > > > [ 405.581375] x26: 0000000000000034 x25: 0000000000000000 x24: ffff000000259010 > > > [ 405.588517] x23: ffff80001011ab7c x22: ffff000000259010 x21: 00000000ffffffff > > > [ 405.595659] x20: 0000000000000cc1 x19: 0000000000000000 x18: 0000000000000000 > > > [ 405.602803] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 > > > [ 405.609947] x14: 0000000000000001 x13: 0000000000000000 x12: 0000000000000000 > > > [ 405.617090] x11: ffff80001241d000 x10: ffff00000528833a x9 : ffff00000528832a > > > [ 405.624232] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000cc0 > > > [ 405.631378] x5 : 00000000bfffffff x4 : ffff000009e30dc0 x3 : 0000000000000000 > > > [ 405.638520] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000cc1 > > > [ 405.645666] Call trace: > > > [ 405.648113] __alloc_pages+0x5a4/0xbe0 > > > [ 405.651862] __dma_direct_alloc_pages+0x17c/0x1e0 > > > [ 405.656569] dma_direct_alloc+0x70/0x310 > > > [ 405.660494] dma_alloc_attrs+0x7c/0xe4 > > > [ 405.664246] hantro_hevc_get_ref_buf+0x15c/0x184 [hantro_vpu] > > > [ 405.670021] hantro_g2_hevc_dec_run+0x3b8/0x1910 [hantro_vpu] > > > [ 405.675791] device_run+0xac/0x110 [hantro_vpu] > > > [ 405.680345] v4l2_m2m_try_run+0xac/0x1b0 [v4l2_mem2mem] > > > [ 405.685598] v4l2_m2m_ioctl_streamon+0x84/0xa0 [v4l2_mem2mem] > > > [ 405.691366] v4l_streamon+0x28/0x34 [videodev] > > > [ 405.695877] __video_do_ioctl+0x178/0x3dc [videodev] > > > [ 405.700897] video_usercopy+0x368/0x6dc [videodev] > > > [ 405.705745] video_ioctl2+0x1c/0x30 [videodev] > > > [ 405.710246] v4l2_ioctl+0x44/0x64 [videodev] > > > [ 405.714574] __arm64_sys_ioctl+0xac/0xf0 > > > [ 405.718502] invoke_syscall+0x48/0x114 > > > [ 405.722258] el0_svc_common.constprop.0+0xd4/0xfc > > > [ 405.726969] do_el0_svc+0x2c/0x94 > > > [ 405.730286] el0_svc+0x28/0x80 > > > [ 405.733348] el0t_64_sync_handler+0xa8/0x130 > > > [ 405.737619] el0t_64_sync+0x1a0/0x1a4 > > > [ 405.741287] ---[ end trace 270ed4a899803006 ]--- > > > > > > The H1 encoder seems to hang the system when I run v4l2-compliance on > > > it when H1 is set up as I submitted the patch. I tried dropping all > > > the encoder formats except the JPEG format, and it doesn't hang any > > > more, but it also doesn't really do anything. > > > The datasheet only references VPU_H1 as supporting VP8 and H.264, so I > > > am not sure JPEG is even supported. > > > > If JPEG is not supported, then there is nothing left for mainline in this > > regard. The kernel control interface and encoding flow needs to be designed and > > specified for encoders like VP8 and H264. Some prototypes and prior-art exist > > though, but nothing ever got formalized in the form of a specification. > > > > > > > > The log from v4l2-compliance on the H1 with everything except the JPEG > > > removed looks like: > > > > > > root@beacon-imx8mm-kit:~# v4l2-compliance -d2 > > > v4l2-compliance SHA: not available > > > , 64 bits, 64-bit time_t > > > > > > Segmentation fault > > > root@beacon-imx8mm-kit:~# > > > Message from syslogd@ at Thu Jan 1 00:05:07 1970 ... > > > : Internal error: Oops: 96000004 [#2] SMP > > > > > > Message from syslogd@ at Thu Jan 1 00:05:07 1970 ... > > > : Code: 52800001 aa1403e0 d2801802 95c31ab9 (b9400aa1) > > > > > > I want to install Gstreamer, but I don't have functioning DSI video, > > > so I am not entirely sure how I will go about testing the decoders > > > except by using fakesink > > > > We too don't have an mainline DSI to test the CODECs on recent NXP SoC. For > > decoders we use fluster, a tool that runs publicly available conformance test. > > It will simply decode to disk and compare a checksum of the decoded image > > against the compliant checksum (produced by the reference decoders). For you > > interested, it uses the new videocodectestsink, which is specialized for > > producing or calculating conformance image/checksum. > > > > https://github.com/fluendo/fluster > > > > We have added support for GStreamer stateless decoders already. > > > > > > > > If the G1 ends up working with some of the newer Gstreamer stuff, I > > > might just submit a formal patch to just enable the G1 for now. > > > > This looks like a good idea indeed. > > > > > > > > adam > > > > > > > > > > > > > > Lastly, I didn't update any device tree binding YAML files, because > > > > > I know there have been some discussions about the power domains on the > > > > > imx8mq, and I wasn't sure if the imx8mm should get a separate YAML file > > > > > or if the existing one for te imx8mq should just be modified. > > > > > > > > > > This will likely require the following series in order to apply correctly: > > > > > https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=576407 > > > > > > > > > > Adam Ford (5): > > > > > media: hantro: Add support for i.MX8M Mini > > > > > arm64: dts: imx8mm: Enable VPU-G1 and VPU-G2 > > > > > media: hantro: Rename ROCKCHIP_VPU_ENC_FMT to HANTRO_VPU_ENC_FMT > > > > > media: hantro: Add H1 encoder support on i.MX8M Mini > > > > > arm64: dts: imx8mm: Enable Hantro H1 Encoder > > > > > > > > > > arch/arm64/boot/dts/freescale/imx8mm.dtsi | 61 ++++++++ > > > > > drivers/staging/media/hantro/hantro_drv.c | 3 + > > > > > drivers/staging/media/hantro/hantro_hw.h | 19 ++- > > > > > drivers/staging/media/hantro/imx8m_vpu_hw.c | 143 ++++++++++++++++++ > > > > > .../staging/media/hantro/rockchip_vpu_hw.c | 26 ++-- > > > > > 5 files changed, 231 insertions(+), 21 deletions(-) > > > > > > > > > > > > > Nicolas and Adam, > > For the H1 patches in this series: I've been able to test the IMX8MM > H1 JPEG encode using GStreamer 1.18.5: > $ gst-inspect-1.0 | grep -e "v4l2.*enc" > video4linux2: v4l2jpegenc: V4L2 JPEG Encoder > $ gst-launch-1.0 videotestsrc ! jpegenc ! rtpjpegpay ! udpsink ^ v4l2jpegenc This is just a transcript error ? > host=192.168.1.146 port=5000 > viewed on client@192.168.1.146 via: > $ gst-launch-1.0 udpsrc port=5000 ! application/x-rtp,payload=96 ! > rtpjpegdepay ! jpegdec ! autovideosink > > For the G1/G2 patches in the series I don't see any Gstreamer > 'v4l2.*dec' elements. Perhaps I need a newer version of Gstreamer. Most likely yes, I suggest building gstreamer/ branch "main", GStreamer has now a single repository. We are very close to 1.20, which will include stable API support of H264, MPEG2 and VP8 decoding. > > I have CSI capture and DSI display currently working on > imx8mm-venice-gw73xx-0x that I can play with. The CSI sensor only > supports RAW8/RAW10 (and gstreamer currently only supports RAW8) and I > can't efficiently convert to something the JPEG encoder likes without > bayer2rgbneon (a libneon version). > > I see from the IMX8MMRM that the 2D GPU supports scaling etc with a > wide range of data formats but I'm not sure how to tap into this as > that hardware is managed by the vivante driver. On the IMX6QDL there > is a separate IPU block that Philipp Zabel wrote a nice mem2mem > csc/scaler driver for but I don't see any equivalent currently for > IMX8MM. > > Best regards, > > Tim From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A73DC433EF for ; Thu, 18 Nov 2021 14:30:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F2F8B61547 for ; Thu, 18 Nov 2021 14:30:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org F2F8B61547 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ndufresne.ca Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZBm79GrNb1O1dHICkjFTw9s07gtMypsY24m60cWdEfs=; b=AAd1iddGfGgDB8 c6GUjGthlCXgGEFK0X90QMrefFP8dZmxq7N8B5dO3b3x5x1Aiu44vOxVveVz4qWSDv6BP/wGxvdgp Z5Y06JaFa4x+M0tS7O8kT0uA9J1QeoSQ1cbYuE3XpFv/H62MPPuVHAhqBM/EXEElBFSWbouV+yGYX N2mA9UrivXbcemRf8EPJy++JmPQviiX1mwFe1LHmUYS1Q+KR84sEFf+CjJyYrksmLHIzGdJ826GFC 8ZxdeyIAAP+LFg2sBb6hmrpfDrQ0e5T8jFdYn274Q02CvSD/5vc+CBphxhtZf7j4UH+Zzz9WlR11B qKSxjsmxLwzMb8C0y6ZA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mniR7-0087W1-DY; Thu, 18 Nov 2021 14:30:49 +0000 Received: from mail-io1-xd31.google.com ([2607:f8b0:4864:20::d31]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mniQr-0087QL-Q7 for linux-rockchip@lists.infradead.org; Thu, 18 Nov 2021 14:30:36 +0000 Received: by mail-io1-xd31.google.com with SMTP id z18so8177295iof.5 for ; Thu, 18 Nov 2021 06:30:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ndufresne-ca.20210112.gappssmtp.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=hiRvoAl76BYnHZhmewPGO1imETde+bCqsCzUTAkimwU=; b=MibVXDi2t5nOfj5LvS5sCAmzByLwOU27hOICdKLeVK3bpskOpVneXwCFOwLz0pqjEk +zN6sw4jwYehew/51Za6FMZQp4r1olU4Fi2ktQAuqLxG+bI787+vP5a/1I7gKQjzC7dr 4+ydzbVdG9aKZwPxr0M2RphqloPf/EqfVH2BMFTYQ5lxiMT080lC4dl/Lz5ILSPLK35X FgRBkQNPtpyBGsb4kQVwm4L85tBiAk9n+M0U10YHItKaB4Er/5JCAZKTsuGBwmNiAA3C redCy8YFxtQKFqvau5dlRpL/oMU+GIcHyXJNhjS1qr36Q08zIN7kyNp8UpAcRyzws8H3 kJuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=hiRvoAl76BYnHZhmewPGO1imETde+bCqsCzUTAkimwU=; b=2YqmE7VdyOERK79yFt8bHivyxV/YfmArluW0yfEwXdlZzAx4wC1PndTWFkAgg0FVjC d+idekbqMzHcBTiQYGZp3aMKMLKRErvpGAULXbngJI1OdjGF0jCKE2cy1/DRpgi1/5U+ RVGuEM2TnMKxUZmNu8bwR+bqeUISEzBtHI1iaEFnPSKC908UUYpWQBQpho1uuFdHDZpf HJ1N0mMBtG/mro0ZRRyfCh+nfwr9YqZXG1SSo+Zj6Q3MiDiiWBKDBoaW7FteWrK4SMgw 5Wn7keBf7RvFKW5lmsbbnV50EUh5BN1aMGm7X2I1YKGXyNBC/EdqwTgjAf54mCsPnXOn XMKg== X-Gm-Message-State: AOAM531jUrX7AMU/KLY1j8sq+15sqkon8rThVzRXHXB8D36rPCFAG73M Qi9XYnwKhiB8Gf2ENOmjL0iQDg== X-Google-Smtp-Source: ABdhPJxQRXfBHP9KazmAAmrc5FZ8hGussJpkBuotRd4z+x/ycXUVmJUwGNrsgC+O/RHAFDQo9wil3g== X-Received: by 2002:a6b:d20f:: with SMTP id q15mr17367015iob.39.1637245832227; Thu, 18 Nov 2021 06:30:32 -0800 (PST) Received: from nicolas-tpx395.localdomain (mtl.collabora.ca. [66.171.169.34]) by smtp.gmail.com with ESMTPSA id l9sm2314166ilh.21.2021.11.18.06.30.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Nov 2021 06:30:31 -0800 (PST) Message-ID: Subject: Re: [RFC 0/5] arm64: imx8mm: Enable Hantro VPUs From: Nicolas Dufresne To: Tim Harvey , Adam Ford Cc: linux-media , Schrempf Frieder , Marek Vasut , Jagan Teki , Adam Ford-BE , cstevens@beaconembedded.com, Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Greg Kroah-Hartman , Heiko Stuebner , Lucas Stach , Joakim Zhang , Alice Guo , Peng Fan , "open list:HANTRO VPU CODEC DRIVER" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , open list , "open list:STAGING SUBSYSTEM" Date: Thu, 18 Nov 2021 09:30:28 -0500 In-Reply-To: References: <20211106183802.893285-1-aford173@gmail.com> 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[66.171.169.34]) by smtp.gmail.com with ESMTPSA id l9sm2314166ilh.21.2021.11.18.06.30.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Nov 2021 06:30:31 -0800 (PST) Message-ID: Subject: Re: [RFC 0/5] arm64: imx8mm: Enable Hantro VPUs From: Nicolas Dufresne To: Tim Harvey , Adam Ford Cc: linux-media , Schrempf Frieder , Marek Vasut , Jagan Teki , Adam Ford-BE , cstevens@beaconembedded.com, Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Greg Kroah-Hartman , Heiko Stuebner , Lucas Stach , Joakim Zhang , Alice Guo , Peng Fan , "open list:HANTRO VPU CODEC DRIVER" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , open list , "open list:STAGING SUBSYSTEM" Date: Thu, 18 Nov 2021 09:30:28 -0500 In-Reply-To: References: <20211106183802.893285-1-aford173@gmail.com> <718f7f6d6cd564d031c1963f1590c62d549ae725.camel@ndufresne.ca> <8db00a4b6faa99c940d9bc86e17161eb0db5efe3.camel@ndufresne.ca> User-Agent: Evolution 3.42.1 (3.42.1-1.fc35) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211118_063033_801636_68381E91 X-CRM114-Status: GOOD ( 68.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org TGUgbWFyZGkgMTYgbm92ZW1icmUgMjAyMSDDoCAxNToyMyAtMDgwMCwgVGltIEhhcnZleSBhIMOp Y3JpdMKgOgo+IE9uIFR1ZSwgTm92IDksIDIwMjEgYXQgNzo1NyBBTSBOaWNvbGFzIER1ZnJlc25l IDxuaWNvbGFzQG5kdWZyZXNuZS5jYT4gd3JvdGU6Cj4gPiAKPiA+IExlIGx1bmRpIDA4IG5vdmVt 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