| Priority | medium |
|---|---|
| Bug ID | 77512 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | the start of upstream kernel is blocked at DRM/Radeon initialization |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | xiong.y.zhang@intel.com |
| Hardware | Other |
| Status | NEW |
| Version | XOrg CVS |
| Component | DRM/Radeon |
| Product | DRI |
Created attachment 97453 [details] dmesg when loading radeon module with drm.debug=0xe Label: edv01 （Edisonville） BIOS: EDVLCRB1.86B.0033.R00.1311200915 Processor: Avoton B0 Kernel version: upstream stable kernel 3.13.7 details: After loading Radeon module, screen is freeze. But system can response to "ctrl+alt+del". All upstream kernels since 3.14-rc1 have this issue. the Graphic ID: 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] [1002:68f9] I bisect the kernel and the first bad commit is: commit b39146461f8ea158fe407455467b25b3be09d84e Author: Alex Deucher <alexander.deucher@amd.com> Date: Wed Dec 18 19:11:27 2013 -0500 drm/radeon: re-order firmware loading in preparation for dpm rework commit 01ac8794a77192236a4b91c33adf4177ac5a21f0 upstream. We need to reorder the driver init sequence to better accomodate dpm which needs to be loaded earlier in the init sequence. Move fw init up so that it's available for dpm init. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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