[Cin] Got RX550 working on Linux!

Андрей Спицын spitsyn.andrey at gmail.com
Fri Apr 25 19:02:24 CEST 2025


The hardware acceleration of rx550 is limited to h264 and fullhd at 30fps.



пт, 25 апр. 2025 г., 19:58 Андрей Спицын <spitsyn.andrey at gmail.com>:

> Rx 550 is one of problem-free VGA card on Linux)). Free drivers are very
> stable.
> It still has enough power to run some 3d games, I run dagor engine demo
> 50+ fps with fullhd resolution.
>
>
> Best regards,
> Andrey
>
> пт, 25 апр. 2025 г., 17:34 Andrew Randrianasulu via Cin <
> cin at lists.cinelerra-gg.org>:
>
>> With some kind of HDMI (1.4) to VGA adapter
>>
>> bash-5.1$ inxi -Gxi
>> Graphics:
>>   Device-1: AMD Lexa PRO [Radeon 540/540X/550/550X / RX 540X/550/550X]
>>     vendor: ASRock driver: amdgpu v: kernel bus-ID: 01:00.0
>>   Display: server: X.Org 1.21.1.99 driver: loaded: amdgpu
>>     resolution: 1440x900~60Hz
>>   OpenGL: renderer: AMD Radeon RX 550 / 550 Series (radeonsi polaris12 ACO
>>     DRM 3.49 6.1.44-x64)
>>     v: 4.6 Mesa 25.2.0-devel (git-cd8d8ca795) direct render: Yes
>>
>> vainfo
>> Trying display: wayland
>> Trying display: x11
>> vainfo: VA-API version: 1.19 (libva 2.19.0)
>> vainfo: Driver version: Mesa Gallium driver 25.2.0-devel for AMD
>> Radeon RX 550 / 550 Series (radeonsi, polaris12, ACO, DRM 3.49,
>> 6.1.44-x64)
>> vainfo: Supported profile and entrypoints
>>       VAProfileMPEG2Simple            : VAEntrypointVLD
>>       VAProfileMPEG2Main              : VAEntrypointVLD
>>       VAProfileVC1Simple              : VAEntrypointVLD
>>       VAProfileVC1Main                : VAEntrypointVLD
>>       VAProfileVC1Advanced            : VAEntrypointVLD
>>       VAProfileH264ConstrainedBaseline: VAEntrypointVLD
>>       VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
>>       VAProfileH264Main               : VAEntrypointVLD
>>       VAProfileH264Main               : VAEntrypointEncSlice
>>       VAProfileH264High               : VAEntrypointVLD
>>       VAProfileH264High               : VAEntrypointEncSlice
>>       VAProfileHEVCMain               : VAEntrypointVLD
>>       VAProfileHEVCMain               : VAEntrypointEncSlice
>>       VAProfileHEVCMain10             : VAEntrypointVLD
>>       VAProfileJPEGBaseline           : VAEntrypointVLD
>>       VAProfileNone                   : VAEntrypointVideoProc
>>
>> bash-5.1$ clpeak
>>
>> Platform: rusticl
>>   Device: AMD Radeon RX 550 / 550 Series (radeonsi, polaris12, ACO,
>> DRM 3.49, 6.1.44-x64)
>>     Driver version  : 25.2.0-devel (git-cd8d8ca795) (Linux x86)
>>     Compute units   : 8
>>     Clock frequency : 1183 MHz
>>
>>     Global memory bandwidth (GBPS)
>>       float   : 75.30
>>       float2  : 76.62
>>       float4  : 80.28
>>       float8  : 81.12
>>       float16 : 78.93
>>
>>     Single-precision compute (GFLOPS)
>>       float   : 1188.83
>>       float2  : 1187.27
>>       float4  : 1182.98
>>       float8  : 1174.67
>>       float16 : 1157.09
>>
>>     No half precision support! Skipped
>>
>>     No double precision support! Skipped
>>
>>     Integer compute (GIOPS)
>>       int   : 240.17
>>       int2  : 240.10
>>       int4  : 240.01
>>       int8  : 239.80
>>       int16 : 239.45
>>
>>     Integer compute Fast 24bit (GIOPS)
>>       int   : 595.16
>>       int2  : 594.82
>>       int4  : 594.37
>>       int8  : 593.12
>>       int16 : 590.84
>>
>>     Transfer bandwidth (GBPS)
>>       enqueueWriteBuffer              : 3.38
>>       enqueueReadBuffer               : 1.44
>>       enqueueWriteBuffer non-blocking : 3.39
>>       enqueueReadBuffer non-blocking  : 1.45
>>       enqueueMapBuffer(for read)      : 2.67
>>         memcpy from mapped ptr        : 3.53
>>       enqueueUnmap(after write)       : 3.29
>>         memcpy to mapped ptr          : 3.48
>>
>>     Kernel launch latency : 90.27 us
>>
>> bash-5.1$
>>
>>
>> So, mpv plays 4k HDR file from iPhone11 smoothly (finally!)
>>
>> CinGG only can do 15 fps on this file :( (8bit RGBA project, x11 output)
>>
>> Encoding into 8bit HEVC also work:
>>
>> bash-5.1$ mediainfo /dev/shm/vaapi-test.mp4
>> General
>> Complete name                            : /dev/shm/vaapi-test.mp4
>> Format                                   : MPEG-4
>> Format profile                           : Base Media
>> Codec ID                                 : isom (isom/iso2/mp41)
>> File size                                : 132 MiB
>> Duration                                 : 19 s 158 ms
>> Overall bit rate                         : 57.7 Mb/s
>> Frame rate                               : 59.940 FPS
>> Writing application                      : Lavf61.1.100
>>
>> Video
>> ID                                       : 1
>> Format                                   : HEVC
>> Format/Info                              : High Efficiency Video Coding
>> Format profile                           : Main at L5@Main
>> Codec ID                                 : hev1
>> Codec ID/Info                            : High Efficiency Video Coding
>> Duration                                 : 19 s 153 ms
>> Bit rate                                 : 57.6 Mb/s
>> Width                                    : 3 840 pixels
>> Height                                   : 2 160 pixels
>> Display aspect ratio                     : 16:9
>> Frame rate mode                          : Constant
>> Frame rate                               : 59.940 (60000/1001) FPS
>> Color space                              : YUV
>> Chroma subsampling                       : 4:2:0
>> Bit depth                                : 8 bits
>> Bits/(Pixel*Frame)                       : 0.116
>> Stream size                              : 132 MiB (100%)
>> Color range                              : Full
>> Matrix coefficients                      : BT.709
>> Codec configuration box                  : hvcC
>>
>> Audio
>> ID                                       : 2
>> Format                                   : AAC LC
>> Format/Info                              : Advanced Audio Codec Low
>> Complexity
>> Codec ID                                 : mp4a-40-2
>> Duration                                 : 19 s 158 ms
>> Source duration                          : 19 s 179 ms
>> Bit rate mode                            : Constant
>> Bit rate                                 : 128 kb/s
>> Channel(s)                               : 2 channels
>> Channel layout                           : L R
>> Sampling rate                            : 48.0 kHz
>> Frame rate                               : 46.875 FPS (1024 SPF)
>> Compression mode                         : Lossy
>> Stream size                              : 300 KiB (0%)
>> Source stream size                       : 300 KiB (0%)
>> Language                                 : Russian
>> Default                                  : Yes
>> Alternate group                          : 1
>>
>> but encoding still was  done in seven minutes for 20 seconds test clip
>> (no tonemap either)
>>
>> So I guess my machine seriosly bootlenecked by PCIe speeds/memory speeds?
>>
>> bash-5.1$ dmesg | grep amdgpu
>> [    9.887359] [drm] amdgpu kernel modesetting enabled.
>> [    9.887485] amdgpu: CRAT table not found
>> [    9.887527] amdgpu: Virtual CRAT table created for CPU
>> [    9.887583] amdgpu: Topology: Add CPU node
>> [    9.888699] amdgpu 0000:01:00.0: No more image in the PCI ROM
>> [    9.889843] amdgpu 0000:01:00.0: amdgpu: Fetched VBIOS from ROM BAR
>> [    9.889886] amdgpu: ATOM BIOS: 113-EXT-700004_L01
>> [    9.890070] amdgpu 0000:01:00.0: vgaarb: deactivate vga console
>> [    9.893944] amdgpu 0000:01:00.0: amdgpu: Trusted Memory Zone (TMZ)
>> feature not supported
>> [    9.893950] amdgpu 0000:01:00.0: amdgpu: PCIE atomic ops is not
>> supported
>> [   10.064640] amdgpu 0000:01:00.0: amdgpu: VRAM: 4096M
>> 0x000000F400000000 - 0x000000F4FFFFFFFF (4096M used)
>> [   10.064655] amdgpu 0000:01:00.0: amdgpu: GART: 256M
>> 0x000000FF00000000 - 0x000000FF0FFFFFFF
>> [   10.064725] [drm] amdgpu: 4096M of VRAM memory ready
>> [   10.064729] [drm] amdgpu: 7998M of GTT memory ready.
>> [   10.143106] amdgpu: hwmgr_sw_init smu backed is polaris10_smu
>> [   10.572632] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops
>> amdgpu_dm_audio_component_bind_ops [amdgpu])
>> [   10.754610] kfd kfd: amdgpu: skipped device 1002:699f, PCI rejects
>> atomics 730<0
>> [   10.754630] amdgpu 0000:01:00.0: amdgpu: SE 2, SH per SE 1, CU per
>> SH 5, active_cu_number 8
>> [   10.758061] amdgpu 0000:01:00.0: amdgpu: Using BACO for runtime pm
>> [   10.758456] [drm] Initialized amdgpu 3.49.0 20150101 for
>> 0000:01:00.0 on minor 0
>> [   10.765104] fbcon: amdgpudrmfb (fb0) is primary device
>> [   10.838142] amdgpu 0000:01:00.0: [drm] fb0: amdgpudrmfb frame buffer
>> device
>>
>>
>> bash-5.1$ dmesg | grep PCIe
>> [    0.364217] acpi PNP0A03:00: _OSC: platform does not support
>> [PCIeHotplug SHPCHotplug PME LTR]
>> [    0.364477] acpi PNP0A03:00: _OSC: OS now controls [AER PCIeCapability]
>> [    0.376895] pci 0000:01:00.0: 32.000 Gb/s available PCIe bandwidth,
>> limited by 5.0 GT/s PCIe x8 link at 0000:00:02.0 (capable of 63.008
>> Gb/s with 8.0 GT/s PCIe x8 link)
>>
>> Hm, 32 Gb/s should be enough for many 4k streams?
>>
>> 4k ~= 8Kpix, 8*60 = 480Mpix/sec
>> 4 byte/per pixel (30 bit for 10 bpc colors, 2 padding) still just 2Gb/s!
>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
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