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Rob Clark authored
A cmdstream of size zero is invalid. But this can appear in various places where we emit a pointer to state. This doesn't show up with newer kernels (newer than v5.0) which use "softpin", but on earlier kernels can result in: [drm:msm_ioctl_gem_submit [msm]] *ERROR* invalid cmdstream size: 0 Since the pointer value doesn't matter in these cases, the easy solution is just to not emit a cmds table entry in this case. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Tested-by: Marge Bot <mesa/mesa!2805> Part-of: <mesa/mesa!2805>
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