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    Subject[PATCH 169/222] drm/radeon: add WAIT_UNTIL to evergreen VM safe reg list
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    3.5.7.3 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alex Deucher <alexander.deucher@amd.com>

    commit 668bbc81baf0f34df832d8aca5c7d5e19a493c68 upstream.

    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>
    Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
    ---
    drivers/gpu/drm/radeon/evergreen_cs.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
    index 33aeaa5..4324c0d 100644
    --- a/drivers/gpu/drm/radeon/evergreen_cs.c
    +++ b/drivers/gpu/drm/radeon/evergreen_cs.c
    @@ -2672,6 +2672,7 @@ 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:
    --
    1.7.9.5


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