[Cin] Got RX550 working on Linux!
Андрей Спицын
spitsyn.andrey at gmail.com
Fri Apr 25 18:58:38 CEST 2025
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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