Powerplay clock information missing on Polaris 12 (msi RX550 LP OC) on armhf

Wed Dec 19 18:27:53 UTC 2018

Those messages are harmless and can be ignored.  I think they have been removed in newer kernels.

Alex

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Luís Mendes <luis.p.mendes at gmail.com>
Sent: Wednesday, December 19, 2018 12:31:44 PM
To: Koenig, Christian; amd-gfx list
Subject: Powerplay clock information missing on Polaris 12 (msi RX550 LP OC) on armhf

Hi,

Just want to report this issue for the Polaris 12, RX550, with kernel 4.19.9
[   20.272719] amdgpu: [powerplay] Failed to retrieve minimum clocks.
[   20.272723] amdgpu: [powerplay] Error in phm_get_clock_info

dmesg excerpt of relevant amdgpu initialization follows below.

Regards,
Luís Mendes, Researcher, Instituto Superior Técnico
Hardware and Software engineer
https://tecnico.ulisboa.pt/en/

[   18.679841] [drm] initializing kernel modesetting (POLARIS12
0x1002:0x699F 0x1462:0x8A90 0xC7).
[   18.679854] [drm] register mmio base: 0xE0200000
[   18.679856] [drm] register mmio size: 262144
[   18.679898] [drm] add ip block number 0 <vi_common>
[   18.679900] [drm] add ip block number 1 <gmc_v8_0>
[   18.679902] [drm] add ip block number 2 <tonga_ih>
[   18.679903] [drm] add ip block number 3 <powerplay>
[   18.679906] [drm] add ip block number 4 <dm>
[   18.679907] [drm] add ip block number 5 <gfx_v8_0>
[   18.679909] [drm] add ip block number 6 <sdma_v3_0>
[   18.679911] [drm] add ip block number 7 <uvd_v6_0>
[   18.679913] [drm] add ip block number 8 <vce_v3_0>
[   18.679937] [drm] UVD is enabled in VM mode
[   18.679938] [drm] UVD ENC is enabled in VM mode
[   18.679942] [drm] VCE enabled in VM mode
[   18.890422] ATOM BIOS: 113-D090LP-M11
[   18.890467] [drm] GPU posting now...
[   18.945707] snd_hda_intel 0000:01:00.1: enabling device (0140 -> 0142)
[   18.945718] snd_hda_intel 0000:01:00.1: Force to snoop mode by module option
[   19.027723] [drm] vm size is 64 GB, 2 levels, block size is 10-bit,
fragment size is 9-bit
[   19.052235] input: HDA ATI HDMI HDMI/DP,pcm=3 as
/devices/platform/soc/soc:pcie/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input2
[   19.491128] amdgpu 0000:01:00.0: VRAM: 4096M 0x000000F400000000 -
0x000000F4FFFFFFFF (4096M used)
[   19.491136] amdgpu 0000:01:00.0: GART: 256M 0x0000000000000000 -
0x000000000FFFFFFF
[   19.491141] [drm] Detected VRAM RAM=4096M, BAR=256M
[   19.491143] [drm] RAM width 128bits GDDR5
[   19.491286] [TTM] Zone  kernel: Available graphics memory: 375104 kiB
[   19.491289] [TTM] Zone highmem: Available graphics memory: 1030464 kiB
[   19.491291] [TTM] Initializing pool allocator
[   19.491311] [drm] amdgpu: 4096M of VRAM memory ready
[   19.491314] [drm] amdgpu: 1509M of GTT memory ready.
[   19.491352] [drm] GART: num cpu pages 65536, num gpu pages 65536
[   19.492115] [drm] PCIE GART of 256M enabled (table at 0x000000F400000000).
[   19.633585] [drm] Chained IB support enabled!
[   20.075528] [drm] Found UVD firmware Version: 1.130 Family ID: 16
[   20.135798] [drm] Found VCE firmware Version: 53.26 Binary ID: 3
[   20.272719] amdgpu: [powerplay] Failed to retrieve minimum clocks.
[   20.272723] amdgpu: [powerplay] Error in phm_get_clock_info
[   20.272854] [drm] DM_PPLIB: values for Engine clock
[   20.272858] [drm] DM_PPLIB:     214000
[   20.272859] [drm] DM_PPLIB:     551000
[   20.272860] [drm] DM_PPLIB:     746000
[   20.272862] [drm] DM_PPLIB:     995000
[   20.272863] [drm] DM_PPLIB:     1063000
[   20.272864] [drm] DM_PPLIB:     1116000
[   20.272866] [drm] DM_PPLIB:     1142000
[   20.272867] [drm] DM_PPLIB:     1203000
[   20.272869] [drm] DM_PPLIB: Validation clocks:
[   20.272871] [drm] DM_PPLIB:    engine_max_clock: 120300
[   20.272873] [drm] DM_PPLIB:    memory_max_clock: 175000
[   20.272874] [drm] DM_PPLIB:    level           : 8
[   20.272879] [drm] DM_PPLIB: values for Memory clock
[   20.272880] [drm] DM_PPLIB:     300000
[   20.272881] [drm] DM_PPLIB:     625000
[   20.272883] [drm] DM_PPLIB:     1750000
[   20.272884] [drm] DM_PPLIB: Validation clocks:
[   20.272886] [drm] DM_PPLIB:    engine_max_clock: 120300
[   20.272887] [drm] DM_PPLIB:    memory_max_clock: 175000
[   20.272888] [drm] DM_PPLIB:    level           : 8
[   20.276533] [drm] Display Core initialized with v3.1.59!
[   20.291991] [drm] SADs count is: -2, don't need to read it
[   20.292825] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   20.292827] [drm] Driver supports precise vblank timestamp query.
[   20.340483] [drm] UVD and UVD ENC initialized successfully.
[   20.420775] Adding 19450708k swap on /dev/sda3.  Priority:-2
extents:1 across:19450708k FS
[   20.441642] [drm] VCE initialized successfully.
[   20.447024] [drm] fb mappable at 0xD0528000
[   20.447028] [drm] vram apper at 0xD0000000
[   20.447030] [drm] size 5242880
[   20.447032] [drm] fb depth is 24
[   20.447033] [drm]    pitch is 5120
[   20.474428] Console: switching to colour frame buffer device 160x64
[   20.620688] amdgpu 0000:01:00.0: fb0: amdgpudrmfb frame buffer device
[   20.663591] [drm] Initialized amdgpu 3.27.0 20150101 for
0000:01:00.0 on minor 0
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