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
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@ -3316,6 +3316,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
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/* check config regs */
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/* check config regs */
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switch (reg) {
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switch (reg) {
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case WAIT_UNTIL:
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case GRBM_GFX_INDEX:
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case GRBM_GFX_INDEX:
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case CP_STRMOUT_CNTL:
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case CP_STRMOUT_CNTL:
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case CP_COHER_CNTL:
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case CP_COHER_CNTL:
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