[Bug 63011] radeon: horizontal stripes when updating screen

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=63011

Mikko Rapeli <mikko.rapeli at iki.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #111241|0                           |1
        is obsolete|                            |

--- Comment #13 from Mikko Rapeli <mikko.rapeli at iki.fi> ---
Created attachment 111351
  --> https://bugzilla.kernel.org/attachment.cgi?id=111351&action=edit
dmesg with
3.11.5+0001-drm-radeon-make-missing-smc-ucode-non-fatal-r7xx-SI.patch

(In reply to Alex Deucher from comment #12)
> Created attachment 111341 [details]
> make missing smc ucode non-fatal
> 
> This patch should fix the issue if the smc ucode is missing.

Thanks, patch works. dmesg with the patch attached. Would be nice to get this
fix to stable.

Tested-by: Mikko Rapeli <mikko.rapeli at iki.fi>

Adding the missing firmware files works as well. Copied CAICOS_smc.bin from
latest linux-firmware git tree to /lib/firmware/radeon/, created new initramfs
with 'update-initramfs -u' and rebooted.

The vesa driver seems rather buggy. Switching to virtual consoles from X brough
up just dark screens with no way to get back without power cycles.

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