Message-ID: <CADnq5_NjiRM9sF6iAE3=KbzuSVc1MeLe0nUCdJfEpNQ=RDz4Zw@mail.gmail.com>
Date:   Fri, 8 Oct 2021 10:45:47 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Borislav Petkov <bp@...en8.de>, "Quan, Evan" <Evan.Quan@....com>
Cc:     amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Alex Deucher <alexander.deucher@....com>,
        xinhui pan <xinhui.pan@....com>,
        Guchun Chen <guchun.chen@....com>
Subject: Re: bf756fb833cb ("drm/amdgpu: add missing cleanups for Polaris12
 UVD/VCE on suspend")

On Thu, Oct 7, 2021 at 2:03 PM Borislav Petkov <bp@...en8.de> wrote:
>
> Hi folks,
>
> commit in $Subject breaks rebooting an HP laptop here with a Carrizo
> chipset: after typing "reboot" and pressing Enter, it powers off the
> machine up to a certain point but the fans remain on, screen goes black
> and nothing happens anymore. No reboot. I have to power it off by
> holding the power key down for 4 seconds.
>
> Reverting the patch fixes the issue.

@Quan, Evan any ideas?  I don't have a CZ system handy at the moment.
Worse comes to worst we could just wrap the changes in an asic_type
check or !APU check.

Alex

>
> GPU info on that machine:
>
> [    1.462214] [drm] amdgpu kernel modesetting enabled.
> [    1.465150] amdgpu 0000:00:01.0: vgaarb: deactivate vga console
> [    1.466259] Console: switching to colour dummy device 80x25
> [    1.466844] [drm] initializing kernel modesetting (CARRIZO 0x1002:0x9874 0x103C:0x807E 0xC4).
> [    1.467242] amdgpu 0000:00:01.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported
> [    1.467552] [drm] register mmio base: 0xD0C00000
> [    1.467750] [drm] register mmio size: 262144
> [    1.467901] [drm] add ip block number 0 <vi_common>
> [    1.468067] [drm] add ip block number 1 <gmc_v8_0>
> [    1.468266] [drm] add ip block number 2 <cz_ih>
> [    1.468436] [drm] add ip block number 3 <gfx_v8_0>
> [    1.468603] [drm] add ip block number 4 <sdma_v3_0>
> [    1.468809] [drm] add ip block number 5 <powerplay>
> [    1.468975] [drm] add ip block number 6 <dm>
> [    1.469120] [drm] add ip block number 7 <uvd_v6_0>
> [    1.469282] [drm] add ip block number 8 <vce_v3_0>
> [    1.485350] [drm] BIOS signature incorrect 20 7
> [    1.485494] resource sanity check: requesting [mem 0x000c0000-0x000dffff], which spans more than PCI Bus 0000:00 [mem 0x000c0000-
> 0x000c3fff window]
> [    1.485922] caller pci_map_rom+0x68/0x1b0 mapping multiple BARs
> [    1.486273] amdgpu 0000:00:01.0: amdgpu: Fetched VBIOS from ROM BAR
> [    1.486488] amdgpu: ATOM BIOS: SWBRT27354.001
> [    1.486701] [drm] UVD is enabled in physical mode
> [    1.486862] [drm] VCE enabled in physical mode
> [    1.487061] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit
> [    1.487339] amdgpu 0000:00:01.0: amdgpu: VRAM: 512M 0x000000F400000000 - 0x000000F41FFFFFFF (512M used)
> [    1.487652] amdgpu 0000:00:01.0: amdgpu: GART: 1024M 0x000000FF00000000 - 0x000000FF3FFFFFFF
> [    1.487939] [drm] Detected VRAM RAM=512M, BAR=512M
> [    1.488101] [drm] RAM width 128bits UNKNOWN
> [    1.488309] [drm] amdgpu: 512M of VRAM memory ready
> [    1.488522] [drm] amdgpu: 3072M of GTT memory ready.
> [    1.488707] [drm] GART: num cpu pages 262144, num gpu pages 262144
> [    1.488997] [drm] PCIE GART of 1024M enabled (table at 0x000000F400900000).
> [    1.491962] amdgpu: hwmgr_sw_init smu backed is smu8_smu
> [    1.492544] [drm] Found UVD firmware Version: 1.91 Family ID: 11
> [    1.492764] [drm] UVD ENC is disabled
> [    1.494177] [drm] Found VCE firmware Version: 52.4 Binary ID: 3
> [    1.495765] amdgpu: smu version 18.62.00
> [    1.501983] [drm] DM_PPLIB: values for Engine clock
> [    1.502201] [drm] DM_PPLIB:   300000
> [    1.502321] [drm] DM_PPLIB:   360000
> [    1.502441] [drm] DM_PPLIB:   423530
> [    1.502561] [drm] DM_PPLIB:   514290
> [    1.502680] [drm] DM_PPLIB:   626090
> [    1.502799] [drm] DM_PPLIB:   720000
> [    1.502919] [drm] DM_PPLIB: Validation clocks:
> [    1.503069] [drm] DM_PPLIB:    engine_max_clock: 72000
> [    1.503242] [drm] DM_PPLIB:    memory_max_clock: 80000
> [    1.503415] [drm] DM_PPLIB:    level           : 8
> [    1.503578] [drm] DM_PPLIB: values for Display clock
> [    1.503745] [drm] DM_PPLIB:   300000
> [    1.503864] [drm] DM_PPLIB:   400000
> [    1.503984] [drm] DM_PPLIB:   496560
> [    1.504147] [drm] DM_PPLIB:   626090
> [    1.504275] [drm] DM_PPLIB:   685720
> [    1.504403] [drm] DM_PPLIB:   757900
> [    1.504526] [drm] DM_PPLIB: Validation clocks:
> [    1.504678] [drm] DM_PPLIB:    engine_max_clock: 72000
> [    1.504891] [drm] DM_PPLIB:    memory_max_clock: 80000
> [    1.505063] [drm] DM_PPLIB:    level           : 8
> [    1.505225] [drm] DM_PPLIB: values for Memory clock
> [    1.505389] [drm] DM_PPLIB:   333000
> [    1.505508] [drm] DM_PPLIB:   800000
> [    1.505628] [drm] DM_PPLIB: Validation clocks:
> [    1.505777] [drm] DM_PPLIB:    engine_max_clock: 72000
> [    1.505950] [drm] DM_PPLIB:    memory_max_clock: 80000
> [    1.506123] [drm] DM_PPLIB:    level           : 8
> [    1.506375] [drm] Display Core initialized with v3.2.149!
> [    1.584817] [drm] UVD initialized successfully.
> [    1.784234] [drm] VCE initialized successfully.
> [    1.784415] amdgpu 0000:00:01.0: amdgpu: SE 1, SH per SE 1, CU per SH 8, active_cu_number 8
> [    1.787958] [drm] fb mappable at 0xA0EE4000
> [    1.788118] [drm] vram apper at 0xA0000000
> [    1.788258] [drm] size 14745600
> [    1.788367] [drm] fb depth is 24
> [    1.788503] [drm]    pitch is 10240
> [    1.789198] fbcon: amdgpu (fb0) is primary device
> [    1.880014] Console: switching to colour frame buffer device 320x90
> [    1.903779] amdgpu 0000:00:01.0: [drm] fb0: amdgpu frame buffer device
> [    1.918353] [drm] Initialized amdgpu 3.42.0 20150101 for 0000:00:01.0 on minor 0
>
> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette

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