#14800: Vega 56 with displayport output yields black screen and flashing C/N/S
keys
on keyboard.
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Reporter: mpxlbs | Owner: kallisti5
Type: bug | Status: new
Priority: normal | Milestone: Unscheduled
Component: Drivers/Graphics/radeon_hd | Version: R1/Development
Resolution: | Keywords: Vega
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
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Comment (by mpxlbs):
Here is some info from Linux
{{{
description: VGA compatible controller
product: Vega 10 XL/XT [Radeon RX Vega 56/64]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:0d:00.0
version: c3
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list
rom
configuration: driver=amdgpu latency=0
resources: irq:43 memory:e0000000-efffffff memory:f0000000-f01fffff
ioport:e000(size=256) memory:fe600000-fe67ffff memory:c0000-dffff
}}}
(Thanks WikiFormatting!)
{{{
0d:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Vega 10 XL/XT [Radeon RX Vega 56/64] (rev c3) (prog-if 00 [VGA
controller])
Subsystem: Gigabyte Technology Co., Ltd Vega 10 XL/XT [Radeon RX
Vega 56/64]
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f0000000 (64-bit, prefetchable) [size=2M]
I/O ports at e000 [size=256]
Memory at fe600000 (32-bit, non-prefetchable) [size=512K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [64] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [200] Resizable BAR <?>
Capabilities: [270] Secondary PCI Express <?>
Capabilities: [2a0] Access Control Services
Capabilities: [2b0] Address Translation Service (ATS)
Capabilities: [2c0] Page Request Interface (PRI)
Capabilities: [2d0] Process Address Space ID (PASID)
Capabilities: [320] Latency Tolerance Reporting
Kernel driver in use: amdgpu
Kernel modules: amdgpu
}}}
{{{
0d:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Vega 10 XL/XT [Radeon RX Vega 56/64] [1002:687f] (rev c3)
}}}
Here is the card itself
https://www.gigabyte.com/Graphics-Card/GV-RXVEGA56GAMING-OC-8GD#kf
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Ticket URL: <https://dev.haiku-os.org/ticket/14800#comment:1>
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