| Priority | medium |
|---|---|
| Bug ID | 59945 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | Launching weston fails with error "radeon 0000:01:00.0: forbidden register 0x00008040 at 558" |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | g02maran@gmail.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | XOrg CVS |
| Component | DRM/Radeon |
| Product | DRI |
Created attachment 73742 [details]
patch
When i looked up register 0x00008040 i saw that it was defined as WAIT_UNTIL.
The function that prints that error is 'evergreen_cs_check_reg' in
evergreen_cs.c. Since the WAIT_UNTIL is not present in reg_srcs/cayman (i have
a radeon 6950) the cayman_reg_safe_bm test fail and since WAIT_UNTIL is not
present in any of the switch cases it hits the default case.
But WAIT_UNTIL was present in reg_srcs/evergreen, so i copied the WAIT_UNTIL
line from evergreen to cayman. I also copied the rest of the WAIT_UNTIL_POLL*
because they seemed related.
This fixed the issue for me but i do not know if this is the proper fix.
Tested on kernel 3.8.0-rc5 and wayland/weston master and mesa master.
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