radeon inconsistent output names

Matthew Monaco matt at monaco.cx
Thu May 8 12:42:44 PDT 2014


My HDMI output name (ie the one I use for xrandr) changes between HDMI-0 and
HDMI-3 from boot to boot. It doesn't toggle back and forth or anything like
that, it's just random. This makes my xprofile script a pain for setting up my
displays when I log in.

I have an i915 which is still enabled in the bios, is the first card, has the
kernel ttys, and is used for seat0.

The radeon is used for seat1, and is the one with the issue. Is there are fix
for this?

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape
Verde PRO [Radeon HD 7750] (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. Device 0459
	Flags: bus master, fast devsel, latency 0, IRQ 44
	Memory at d0000000 (64-bit, prefetchable) [size=256M]
	Memory at efd00000 (64-bit, non-prefetchable) [size=256K]
	I/O ports at e000 [size=256]
	Expansion ROM at efd40000 [disabled] [size=128K]
	Capabilities: [48] Vendor Specific Information: Len=08 <?>
	Capabilities: [50] Power Management version 3
	Capabilities: [58] 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: [270] #19
	Kernel driver in use: radeon
	Kernel modules: radeon

I'm on Linux v3.14.3, and I believe I started noticing this sometime in v3.13.y.
Also using xorg-server v1.15.1, xrandr v1.4.2, xf86-video-ati 7.3.0.


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