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    drm/radeon: add basic zmask/hiz support (v4) · ab9e1f59
    Dave Airlie 提交于
    This interface allows userspace to request hyperz support, it probably
    needs more locking, and really reporting that you can have hyperz is racy
    since someone else might get it before you do.
    
    v2: modify so we pass 0 valued packets to let DDX/r300c keep working.
    also fixed incorrect 0x4f1c reference.
    
    v3: fixup zb_bw_cntl so older drivers keep working
    
    v4: add locking, fixup SC_HYPERZ_EN - patch stream to disable hiz
    Signed-off-by: NDave Airlie <airlied@redhat.com>
    ab9e1f59
radeon_kms.c 11.0 KB