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Date: Fri, 20 Nov 2020 16:15:48 +0100
From: Fabien Parent <fparent@...libre.com>
To: Daoyuan Huang <daoyuan.huang@...iatek.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Maoguang Meng <maoguang.meng@...iatek.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
menghui.lin@...iatek.com,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Nicolas Boichat <drinkcat@...omium.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Ping-Hsun Wu <ping-hsun.wu@...iatek.com>,
linux-media@...r.kernel.org, DTML <devicetree@...r.kernel.org>,
sj.huang@...iatek.com,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>, pihsun@...omium.org,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
randy.wu@...iatek.com, srv_heupstream@...iatek.com,
acourbot@...omium.org, linux-kernel <linux-kernel@...r.kernel.org>,
tfiga@...omium.org, ben.lok@...iatek.com, moudy.ho@...iatek.com,
Rob Landley <rob@...dley.net>
Subject: Re: [PATCH v4 2/4] dts: arm64: mt8183: Add Mediatek MDP3 nodes
Hi Daoyuan,
> Depend on:
> [1] https://lore.kernel.org/patchwork/patch/1164746/
> [2] https://patchwork.kernel.org/patch/11703299/
> [3] https://patchwork.kernel.org/patch/11283773/
Can you provide an updated list of dependencies because it seems this
patch depends on more than the patch aboves. I applied the related
patch series above but there is still missing node
ERROR (phandle_references): /soc/mdp-rdma0@...01000: Reference to
non-existent node or label "scp"
ERROR (phandle_references): /soc/mdp-rdma0@...01000: Reference to
non-existent node or label "mutex"
It would be even better if you could provide a branch with all the
dependencies included.
> mmsys: syscon@...00000 {
> compatible = "mediatek,mt8183-mmsys", "syscon";
> + mdp-comps = "mediatek,mt8183-mdp-dl",
> + "mediatek,mt8183-mdp-dl";
> + mdp-comp-ids = <0 1>;
> reg = <0 0x14000000 0 0x1000>;
> + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
> #clock-cells = <1>;
> + clocks = <&mmsys CLK_MM_MDP_DL_TXCK>,
> + <&mmsys CLK_MM_MDP_DL_RX>,
> + <&mmsys CLK_MM_IPU_DL_TXCK>,
> + <&mmsys CLK_MM_IPU_DL_RX>;
> + };
The kernel is not booting anymore when the 4 clocks above are added,
if I remove them I can boot again. See the following log:
[ 0.401314] Unable to handle kernel paging request at virtual
address fffffffffffffffe
[ 0.402320] Mem abort info:
[ 0.402674] ESR = 0x96000004
[ 0.403062] EC = 0x25: DABT (current EL), IL = 32 bits
[ 0.403741] SET = 0, FnV = 0
[ 0.404128] EA = 0, S1PTW = 0
[ 0.404526] Data abort info:
[ 0.404890] ISV = 0, ISS = 0x00000004
[ 0.405374] CM = 0, WnR = 0
[ 0.405751] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000415ee000
[ 0.406595] [fffffffffffffffe] pgd=0000000000000000, p4d=0000000000000000
[ 0.407457] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 0.408160] Modules linked in:
[ 0.408551] CPU: 4 PID: 51 Comm: kworker/4:1 Not tainted
5.9.0-mtk-00010-g121ba830623e-dirty #2
[ 0.409646] Hardware name: MediaTek MT8183 evaluation board (DT)
[ 0.410416] Workqueue: events deferred_probe_work_func
[ 0.411067] pstate: 20000005 (nzCv daif -PAN -UAO BTYPE=--)
[ 0.411772] pc : clk_prepare+0x18/0x44
[ 0.412252] lr : scpsys_power_on+0x1e8/0x470
[ 0.412791] sp : ffff800011fa3a20
[ 0.413209] x29: ffff800011fa3a20 x28: 0000000000000000
[ 0.413881] x27: 0000000000000000 x26: 0000000000000000
[ 0.414551] x25: ffff00007a23ade0 x24: ffff00007a223b80
[ 0.415222] x23: ffff800011f5d30c x22: ffff00007a23a888
[ 0.415892] x21: fffffffffffffffe x20: 0000000000000000
[ 0.416563] x19: 0000000000000000 x18: 0000000000000020
[ 0.417233] x17: 0000000000000020 x16: 0000000052d9c4c7
[ 0.417904] x15: 0000000000000059 x14: ffff00007a23a640
[ 0.418575] x13: ffff00007a23a5c0 x12: 0000000000000000
[ 0.419245] x11: ffff8000108331c0 x10: ffff800010833030
[ 0.419916] x9 : 0000000000000000 x8 : ffff00007a751c00
[ 0.420587] x7 : ffff800011fa3a70 x6 : 00000000130f968d
[ 0.421257] x5 : ffff8000110043f0 x4 : 0000000000000184
[ 0.421927] x3 : 0000000000000000 x2 : 0000000000000008
[ 0.422598] x1 : 000000000000000d x0 : fffffffffffffffe
[ 0.423268] Call trace:
[ 0.423581] clk_prepare+0x18/0x44
[ 0.424014] scpsys_power_on+0x1e8/0x470
[ 0.424511] scpsys_probe+0x3f4/0x66c
[ 0.424975] platform_drv_probe+0x54/0xb0
[ 0.425483] really_probe+0xe4/0x490
[ 0.425937] driver_probe_device+0x58/0xc0
[ 0.426456] __device_attach_driver+0xa8/0x10c
[ 0.427019] bus_for_each_drv+0x78/0xcc
[ 0.427504] __device_attach+0xdc/0x180
[ 0.427990] device_initial_probe+0x14/0x20
[ 0.428521] bus_probe_device+0x9c/0xa4
[ 0.429007] deferred_probe_work_func+0x74/0xb0
[ 0.429582] process_one_work+0x1cc/0x350
[ 0.430090] worker_thread+0x2c0/0x470
[ 0.430565] kthread+0x154/0x160
[ 0.430976] ret_from_fork+0x10/0x30
[ 0.431431] Code: 910003fd f9000bf3 52800013 b40000e0 (f9400013)
[ 0.432200] ---[ end trace d3ecf925b254a559 ]---
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