[Bug 60879] [radeonsi] X11 can't start with acceleration enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60879

--- Comment #64 from Hristo Venev <mustrumr97 at gmail.com> ---
(sh_per_se | 0x1) /* WTF? Shift widths aren't often used that way in a bitmask.
*/
(1u<<sh_per_se)-1 /* probably what was meant */

Patch + kernel 3.13 + llvm,mesa,libdrm,glamor,xf86-video-ati,wayland,weston
git: rb_config=255
    - OpenCL <64 dwords works
    - OpenCL >64 dwords hangs
    - X11 starts
    - glxinfo hangs
    - glxgears hangs
    - weston works

rb_config&=0b00001100:
    - OpenCL <64 dwords works
    - OpenCL >64 dwords hangs
    - X11 starts
    - glxinfo works
    - glxgears works! (~2600 Frames/s)
    - My X session hangs (probably chromium)
    - weston corrupted
    - Any OpenCL (even *a=0;) after OpenGL fails with error about kernel
rejecting CS, nothing on dmesg

Also, GPU reset fails. I used S3 sleep in order to reset the GPU. Sleeps for
<15 seconds may sometimes fail to reset it.

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