ac/surface: adapt surf_size when modifying surf_pitch
Otherwise we might get VM_L2_PROTECTION_FAULT_STATUS errors.
Fixes: 8275dc1e ("ac/surface: fix epitch when modifying surf_pitch")
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Otherwise we might get VM_L2_PROTECTION_FAULT_STATUS errors.
Fixes: 8275dc1e ("ac/surface: fix epitch when modifying surf_pitch")