Dear Linux folks,
connecting a VGA monitor to the internal graphics device of the ASRock
E350M1 [1], the brightness is much too high.
$ lspci -tvnn
[…]
+-01.0 Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6310] [1002:9802]
+-01.1 Advanced Micro Devices [AMD] nee ATI Wrestler HDMI Audio [Radeon HD 6250/6310] [1002:1314]
[…]
Plugging in an external AMD/ATI graphics card and connecting the VGA
monitor there, the brightness is normal as expected.
$ lspci -nn
[…]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] [1002:68f9]
01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Cedar HDMI Audio [Radeon HD 5400/6300 Series] [1002:aa68]
[…]
The software stack is the same. Any idea how I can configure or debug
that? This has been verified with 3.2.x to 3.14.9.
Thanks,
Paul
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