/* Clear FMASK to identity. */
struct si_texture *stex = (struct si_texture *)tex;
si_clear_buffer(sctx, tex, stex->surface.fmask_offset, stex->surface.fmask_size,
- (uint32_t *)&fmask_expand_values[log_fragments][log_samples - 1], 4,
+ (uint32_t *)&fmask_expand_values[log_fragments][log_samples - 1],
+ log_fragments >= 2 && log_samples == 4 ? 8 : 4,
SI_COHERENCY_SHADER, false);
}