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drm/radeon: add WAIT_UNTIL to evergreen VM safe reg list 

It's used in a recent mesa commit:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=24b1206ab2dcd506aaac3ef656aebc8bc20cd27a
and there may be some other cases in the future where it's required.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2012-12-20 21:19:32 -05:00
parent 4613ca14b9
commit 668bbc81ba
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/radeon/evergreen_cs.c
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@ -3316,6 +3316,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
/* check config regs */
switch (reg) {
case WAIT_UNTIL:
case GRBM_GFX_INDEX:
case CP_STRMOUT_CNTL:
case CP_COHER_CNTL: